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ty=(a+(n=n+Math.imul(m,$)|0)|0)+((8191&(h=(h=h+Math.imul(m,tt)|0)+Math.imul(f,$)|0))<<13)|0;a=((e=e+Math.imul(f,tt)|0)+(h>>>13)|0)+(ty>>>26)|0,ty&=67108863,n=Math.imul(x,K),h=(h=Math.imul(x,P))+Math.imul(B,K)|0,e=Math.imul(B,P),n=n+Math.imul(k,U)|0,h=(h=h+Math.imul(k,H)|0)+Math.imul(A,U)|0,e=e+Math.imul(A,H)|0,n=n+Math.imul(y,G)|0,h=(h=h+Math.imul(y,Q)|0)+Math.imul(b,G)|0,e=e+Math.imul(b,Q)|0,n=n+Math.imul(g,W)|0,h=(h=h+Math.imul(g,X)|0)+Math.imul(c,W)|0,e=e+Math.imul(c,X)|0,n=n+Math.imul(p,$)|0,h=(h=h+Math.imul(p,tt)|0)+Math.imul(M,$)|0,e=e+Math.imul(M,tt)|0;var tb=(a+(n=n+Math.imul(m,tr)|0)|0)+((8191&(h=(h=h+Math.imul(m,tn)|0)+Math.imul(f,tr)|0))<<13)|0;a=((e=e+Math.imul(f,tn)|0)+(h>>>13)|0)+(tb>>>26)|0,tb&=67108863,n=Math.imul(q,K),h=(h=Math.imul(q,P))+Math.imul(Z,K)|0,e=Math.imul(Z,P),n=n+Math.imul(x,U)|0,h=(h=h+Math.imul(x,H)|0)+Math.imul(B,U)|0,e=e+Math.imul(B,H)|0,n=n+Math.imul(k,G)|0,h=(h=h+Math.imul(k,Q)|0)+Math.imul(A,G)|0,e=e+Math.imul(A,Q)|0,n=n+Math.imul(y,W)|0,h=(h=h+Math.imul(y,X)|0)+Math.imul(b,W)|0,e=e+Math.imul(b,X)|0,n=n+Math.imul(g,$)|0,h=(h=h+Math.imul(g,tt)|0)+Math.imul(c,$)|0,e=e+Math.imul(c,tt)|0,n=n+Math.imul(p,tr)|0,h=(h=h+Math.imul(p,tn)|0)+Math.imul(M,tr)|0,e=e+Math.imul(M,tn)|0;var t_=(a+(n=n+Math.imul(m,te)|0)|0)+((8191&(h=(h=h+Math.imul(m,to)|0)+Math.imul(f,te)|0))<<13)|0;a=((e=e+Math.imul(f,to)|0)+(h>>>13)|0)+(t_>>>26)|0,t_&=67108863,n=Math.imul(N,K),h=(h=Math.imul(N,P))+Math.imul(I,K)|0,e=Math.imul(I,P),n=n+Math.imul(q,U)|0,h=(h=h+Math.imul(q,H)|0)+Math.imul(Z,U)|0,e=e+Math.imul(Z,H)|0,n=n+Math.imul(x,G)|0,h=(h=h+Math.imul(x,Q)|0)+Math.imul(B,G)|0,e=e+Math.imul(B,Q)|0,n=n+Math.imul(k,W)|0,h=(h=h+Math.imul(k,X)|0)+Math.imul(A,W)|0,e=e+Math.imul(A,X)|0,n=n+Math.imul(y,$)|0,h=(h=h+Math.imul(y,tt)|0)+Math.imul(b,$)|0,e=e+Math.imul(b,tt)|0,n=n+Math.imul(g,tr)|0,h=(h=h+Math.imul(g,tn)|0)+Math.imul(c,tr)|0,e=e+Math.imul(c,tn)|0,n=n+Math.imul(p,te)|0,h=(h=h+Math.imul(p,to)|0)+Math.imul(M,te)|0,e=e+Math.imul(M,to)|0;var tk=(a+(n=n+Math.imul(m,tu)|0)|0)+((8191&(h=(h=h+Math.imul(m,ta)|0)+Math.imul(f,tu)|0))<<13)|0;a=((e=e+Math.imul(f,ta)|0)+(h>>>13)|0)+(tk>>>26)|0,tk&=67108863,n=Math.imul(z,K),h=(h=Math.imul(z,P))+Math.imul(T,K)|0,e=Math.imul(T,P),n=n+Math.imul(N,U)|0,h=(h=h+Math.imul(N,H)|0)+Math.imul(I,U)|0,e=e+Math.imul(I,H)|0,n=n+Math.imul(q,G)|0,h=(h=h+Math.imul(q,Q)|0)+Math.imul(Z,G)|0,e=e+Math.imul(Z,Q)|0,n=n+Math.imul(x,W)|0,h=(h=h+Math.imul(x,X)|0)+Math.imul(B,W)|0,e=e+Math.imul(B,X)|0,n=n+Math.imul(k,$)|0,h=(h=h+Math.imul(k,tt)|0)+Math.imul(A,$)|0,e=e+Math.imul(A,tt)|0,n=n+Math.imul(y,tr)|0,h=(h=h+Math.imul(y,tn)|0)+Math.imul(b,tr)|0,e=e+Math.imul(b,tn)|0,n=n+Math.imul(g,te)|0,h=(h=h+Math.imul(g,to)|0)+Math.imul(c,te)|0,e=e+Math.imul(c,to)|0,n=n+Math.imul(p,tu)|0,h=(h=h+Math.imul(p,ta)|0)+Math.imul(M,tu)|0,e=e+Math.imul(M,ta)|0;var tA=(a+(n=n+Math.imul(m,tm)|0)|0)+((8191&(h=(h=h+Math.imul(m,tf)|0)+Math.imul(f,tm)|0))<<13)|0;a=((e=e+Math.imul(f,tf)|0)+(h>>>13)|0)+(tA>>>26)|0,tA&=67108863,n=Math.imul(j,K),h=(h=Math.imul(j,P))+Math.imul(D,K)|0,e=Math.imul(D,P),n=n+Math.imul(z,U)|0,h=(h=h+Math.imul(z,H)|0)+Math.imul(T,U)|0,e=e+Math.imul(T,H)|0,n=n+Math.imul(N,G)|0,h=(h=h+Math.imul(N,Q)|0)+Math.imul(I,G)|0,e=e+Math.imul(I,Q)|0,n=n+Math.imul(q,W)|0,h=(h=h+Math.imul(q,X)|0)+Math.imul(Z,W)|0,e=e+Math.imul(Z,X)|0,n=n+Math.imul(x,$)|0,h=(h=h+Math.imul(x,tt)|0)+Math.imul(B,$)|0,e=e+Math.imul(B,tt)|0,n=n+Math.imul(k,tr)|0,h=(h=h+Math.imul(k,tn)|0)+Math.imul(A,tr)|0,e=e+Math.imul(A,tn)|0,n=n+Math.imul(y,te)|0,h=(h=h+Math.imul(y,to)|0)+Math.imul(b,te)|0,e=e+Math.imul(b,to)|0,n=n+Math.imul(g,tu)|0,h=(h=h+Math.imul(g,ta)|0)+Math.imul(c,tu)|0,e=e+Math.imul(c,ta)|0,n=n+Math.imul(p,tm)|0,h=(h=h+Math.imul(p,tf)|0)+Math.imul(M,tm)|0,e=e+Math.imul(M,tf)|0;var tS=(a+(n=n+Math.imul(m,tp)|0)|0)+((8191&(h=(h=h+Math.imul(m,tM)|0)+Math.imul(f,tp)|0))<<13)|0;a=((e=e+Math.imul(f,tM)|0)+(h>>>13)|0)+(tS>>>26)|0,tS&=67108863,n=Math.imul(j,U),h=(h=Math.imul(j,H))+Math.imul(D,U)|0,e=Math.imul(D,H),n=n+Math.imul(z,G)|0,h=(h=h+Math.imul(z,Q)|0)+Math.imul(T,G)|0,e=e+Math.imul(T,Q)|0,n=n+Math.imul(N,W)|0,h=(h=h+Math.imul(N,X)|0)+Math.imul(I,W)|0,e=e+Math.imul(I,X)|0,n=n+Math.imul(q,$)|0,h=(h=h+Math.imul(q,tt)|0)+Math.imul(Z,$)|0,e=e+Math.imul(Z,tt)|0,n=n+Math.imul(x,tr)|0,h=(h=h+Math.imul(x,tn)|0)+Math.imul(B,tr)|0,e=e+Math.imul(B,tn)|0,n=n+Math.imul(k,te)|0,h=(h=h+Math.imul(k,to)|0)+Math.imul(A,te)|0,e=e+Math.imul(A,to)|0,n=n+Math.imul(y,tu)|0,h=(h=h+Math.imul(y,ta)|0)+Math.imul(b,tu)|0,e=e+Math.imul(b,ta)|0,n=n+Math.imul(g,tm)|0,h=(h=h+Math.imul(g,tf)|0)+Math.imul(c,tm)|0,e=e+Math.imul(c,tf)|0;var tx=(a+(n=n+Math.imul(p,tp)|0)|0)+((8191&(h=(h=h+Math.imul(p,tM)|0)+Math.imul(M,tp)|0))<<13)|0;a=((e=e+Math.imul(M,tM)|0)+(h>>>13)|0)+(tx>>>26)|0,tx&=67108863,n=Math.imul(j,G),h=(h=Math.imul(j,Q))+Math.imul(D,G)|0,e=Math.imul(D,Q),n=n+Math.imul(z,W)|0,h=(h=h+Math.imul(z,X)|0)+Math.imul(T,W)|0,e=e+Math.imul(T,X)|0,n=n+Math.imul(N,$)|0,h=(h=h+Math.imul(N,tt)|0)+Math.imul(I,$)|0,e=e+Math.imul(I,tt)|0,n=n+Math.imul(q,tr)|0,h=(h=h+Math.imul(q,tn)|0)+Math.imul(Z,tr)|0,e=e+Math.imul(Z,tn)|0,n=n+Math.imul(x,te)|0,h=(h=h+Math.imul(x,to)|0)+Math.imul(B,te)|0,e=e+Math.imul(B,to)|0,n=n+Math.imul(k,tu)|0,h=(h=h+Math.imul(k,ta)|0)+Math.imul(A,tu)|0,e=e+Math.imul(A,ta)|0,n=n+Math.imul(y,tm)|0,h=(h=h+Math.imul(y,tf)|0)+Math.imul(b,tm)|0,e=e+Math.imul(b,tf)|0;var tB=(a+(n=n+Math.imul(g,tp)|0)|0)+((8191&(h=(h=h+Math.imul(g,tM)|0)+Math.imul(c,tp)|0))<<13)|0;a=((e=e+Math.imul(c,tM)|0)+(h>>>13)|0)+(tB>>>26)|0,tB&=67108863,n=Math.imul(j,W),h=(h=Math.imul(j,X))+Math.imul(D,W)|0,e=Math.imul(D,X),n=n+Math.imul(z,$)|0,h=(h=h+Math.imul(z,tt)|0)+Math.imul(T,$)|0,e=e+Math.imul(T,tt)|0,n=n+Math.imul(N,tr)|0,h=(h=h+Math.imul(N,tn)|0)+Math.imul(I,tr)|0,e=e+Math.imul(I,tn)|0,n=n+Math.imul(q,te)|0,h=(h=h+Math.imul(q,to)|0)+Math.imul(Z,te)|0,e=e+Math.imul(Z,to)|0,n=n+Math.imul(x,tu)|0,h=(h=h+Math.imul(x,ta)|0)+Math.imul(B,tu)|0,e=e+Math.imul(B,ta)|0,n=n+Math.imul(k,tm)|0,h=(h=h+Math.imul(k,tf)|0)+Math.imul(A,tm)|0,e=e+Math.imul(A,tf)|0;var tR=(a+(n=n+Math.imul(y,tp)|0)|0)+((8191&(h=(h=h+Math.imul(y,tM)|0)+Math.imul(b,tp)|0))<<13)|0;a=((e=e+Math.imul(b,tM)|0)+(h>>>13)|0)+(tR>>>26)|0,tR&=67108863,n=Math.imul(j,$),h=(h=Math.imul(j,tt))+Math.imul(D,$)|0,e=Math.imul(D,tt),n=n+Math.imul(z,tr)|0,h=(h=h+Math.imul(z,tn)|0)+Math.imul(T,tr)|0,e=e+Math.imul(T,tn)|0,n=n+Math.imul(N,te)|0,h=(h=h+Math.imul(N,to)|0)+Math.imul(I,te)|0,e=e+Math.imul(I,to)|0,n=n+Math.imul(q,tu)|0,h=(h=h+Math.imul(q,ta)|0)+Math.imul(Z,tu)|0,e=e+Math.imul(Z,ta)|0,n=n+Math.imul(x,tm)|0,h=(h=h+Math.imul(x,tf)|0)+Math.imul(B,tm)|0,e=e+Math.imul(B,tf)|0;var tq=(a+(n=n+Math.imul(k,tp)|0)|0)+((8191&(h=(h=h+Math.imul(k,tM)|0)+Math.imul(A,tp)|0))<<13)|0;a=((e=e+Math.imul(A,tM)|0)+(h>>>13)|0)+(tq>>>26)|0,tq&=67108863,n=Math.imul(j,tr),h=(h=Math.imul(j,tn))+Math.imul(D,tr)|0,e=Math.imul(D,tn),n=n+Math.imul(z,te)|0,h=(h=h+Math.imul(z,to)|0)+Math.imul(T,te)|0,e=e+Math.imul(T,to)|0,n=n+Math.imul(N,tu)|0,h=(h=h+Math.imul(N,ta)|0)+Math.imul(I,tu)|0,e=e+Math.imul(I,ta)|0,n=n+Math.imul(q,tm)|0,h=(h=h+Math.imul(q,tf)|0)+Math.imul(Z,tm)|0,e=e+Math.imul(Z,tf)|0;var tZ=(a+(n=n+Math.imul(x,tp)|0)|0)+((8191&(h=(h=h+Math.imul(x,tM)|0)+Math.imul(B,tp)|0))<<13)|0;a=((e=e+Math.imul(B,tM)|0)+(h>>>13)|0)+(tZ>>>26)|0,tZ&=67108863,n=Math.imul(j,te),h=(h=Math.imul(j,to))+Math.imul(D,te)|0,e=Math.imul(D,to),n=n+Math.imul(z,tu)|0,h=(h=h+Math.imul(z,ta)|0)+Math.imul(T,tu)|0,e=e+Math.imul(T,ta)|0,n=n+Math.imul(N,tm)|0,h=(h=h+Math.imul(N,tf)|0)+Math.imul(I,tm)|0,e=e+Math.imul(I,tf)|0;var tL=(a+(n=n+Math.imul(q,tp)|0)|0)+((8191&(h=(h=h+Math.imul(q,tM)|0)+Math.imul(Z,tp)|0))<<13)|0;a=((e=e+Math.imul(Z,tM)|0)+(h>>>13)|0)+(tL>>>26)|0,tL&=67108863,n=Math.imul(j,tu),h=(h=Math.imul(j,ta))+Math.imul(D,tu)|0,e=Math.imul(D,ta),n=n+Math.imul(z,tm)|0,h=(h=h+Math.imul(z,tf)|0)+Math.imul(T,tm)|0,e=e+Math.imul(T,tf)|0;var tN=(a+(n=n+Math.imul(N,tp)|0)|0)+((8191&(h=(h=h+Math.imul(N,tM)|0)+Math.imul(I,tp)|0))<<13)|0;a=((e=e+Math.imul(I,tM)|0)+(h>>>13)|0)+(tN>>>26)|0,tN&=67108863,n=Math.imul(j,tm),h=(h=Math.imul(j,tf))+Math.imul(D,tm)|0,e=Math.imul(D,tf);var tI=(a+(n=n+Math.imul(z,tp)|0)|0)+((8191&(h=(h=h+Math.imul(z,tM)|0)+Math.imul(T,tp)|0))<<13)|0;a=((e=e+Math.imul(T,tM)|0)+(h>>>13)|0)+(tI>>>26)|0,tI&=67108863;var tE=(a+(n=Math.imul(j,tp))|0)+((8191&(h=(h=Math.imul(j,tM))+Math.imul(D,tp)|0))<<13)|0;return a=((e=Math.imul(D,tM))+(h>>>13)|0)+(tE>>>26)|0,tE&=67108863,u[0]=tv,u[1]=tg,u[2]=tc,u[3]=tw,u[4]=ty,u[5]=tb,u[6]=t_,u[7]=tk,u[8]=tA,u[9]=tS,u[10]=tx,u[11]=tB,u[12]=tR,u[13]=tq,u[14]=tZ,u[15]=tL,u[16]=tN,u[17]=tI,u[18]=tE,0!==a&&(u[19]=a,r.length++),r};function g(t,i,r){r.negative=i.negative^t.negative,r.length=t.length+i.length;for(var n=0,h=0,e=0;e<r.length-1;e++){var o=h;h=0;for(var s=67108863&n,u=Math.min(e,i.length-1),a=Math.max(0,e-t.length+1);a<=u;a++){var l=e-a,m=(0|t.words[l])*(0|i.words[a]),f=67108863&m;o=o+(m/67108864|0)|0,s=67108863&(f=f+s|0),h+=(o=o+(f>>>26)|0)>>>26,o&=67108863}r.words[e]=s,n=o,o=h}return 0!==n?r.words[e]=n:r.length--,r._strip()}function c(t,i){this.x=t,this.y=i}Math.imul||(v=M),e.prototype.mulTo=function(t,i){var r,n=this.length+t.length;return 10===this.length&&10===t.length?v(this,t,i):n<63?M(this,t,i):g(this,t,i)},c.prototype.makeRBT=function(t){for(var i=Array(t),r=e.prototype._countBits(t)-1,n=0;n<t;n++)i[n]=this.revBin(n,r,t);return i},c.prototype.revBin=function(t,i,r){if(0===t||t===r-1)return t;for(var n=0,h=0;h<i;h++)n|=(1&t)<<i-h-1,t>>=1;return n},c.prototype.permute=function(t,i,r,n,h,e){for(var o=0;o<e;o++)n[o]=i[t[o]],h[o]=r[t[o]]},c.prototype.transform=function(t,i,r,n,h,e){this.permute(e,t,i,r,n,h);for(var o=1;o<h;o<<=1)for(var s=o<<1,u=Math.cos(2*Math.PI/s),a=Math.sin(2*Math.PI/s),l=0;l<h;l+=s)for(var m=u,f=a,d=0;d<o;d++){var p=r[l+d],M=n[l+d],v=r[l+d+o],g=n[l+d+o],c=m*v-f*g;g=m*g+f*v,v=c,r[l+d]=p+v,n[l+d]=M+g,r[l+d+o]=p-v,n[l+d+o]=M-g,d!==s&&(c=u*m-a*f,f=u*f+a*m,m=c)}},c.prototype.guessLen13b=function(t,i){var r=1|Math.max(i,t),n=1&r,h=0;for(r=r/2|0;r;r>>>=1)h++;return 1<<h+1+n},c.prototype.conjugate=function(t,i,r){if(!(r<=1))for(var n=0;n<r/2;n++){var h=t[n];t[n]=t[r-n-1],t[r-n-1]=h,h=i[n],i[n]=-i[r-n-1],i[r-n-1]=-h}},c.prototype.normalize13b=function(t,i){for(var r=0,n=0;n<i/2;n++){var h=8192*Math.round(t[2*n+1]/i)+Math.round(t[2*n]/i)+r;t[n]=67108863&h,r=h<67108864?0:h/67108864|0}return t},c.prototype.convert13b=function(t,i,r,h){for(var e=0,o=0;o<i;o++)e+=0|t[o],r[2*o]=8191&e,e>>>=13,r[2*o+1]=8191&e,e>>>=13;for(o=2*i;o<h;++o)r[o]=0;n(0===e),n((-8192&e)==0)},c.prototype.stub=function(t){for(var i=Array(t),r=0;r<t;r++)i[r]=0;return i},c.prototype.mulp=function(t,i,r){var n=2*this.guessLen13b(t.length,i.length),h=this.makeRBT(n),e=this.stub(n),o=Array(n),s=Array(n),u=Array(n),a=Array(n),l=Array(n),m=Array(n),f=r.words;f.length=n,this.convert13b(t.words,t.length,o,n),this.convert13b(i.words,i.length,a,n),this.transform(o,e,s,u,n,h),this.transform(a,e,l,m,n,h);for(var d=0;d<n;d++){var p=s[d]*l[d]-u[d]*m[d];u[d]=s[d]*m[d]+u[d]*l[d],s[d]=p}return this.conjugate(s,u,n),this.transform(s,u,f,e,n,h),this.conjugate(f,e,n),this.normalize13b(f,n),r.negative=t.negative^i.negative,r.length=t.length+i.length,r._strip()},e.prototype.mul=function(t){var i=new e(null);return i.words=Array(this.length+t.length),this.mulTo(t,i)},e.prototype.mulf=function(t){var i=new e(null);return i.words=Array(this.length+t.length),g(this,t,i)},e.prototype.imul=function(t){return this.clone().mulTo(t,this)},e.prototype.imuln=function(t){var i=t<0;i&&(t=-t),n("number"==typeof t),n(t<67108864);for(var r=0,h=0;h<this.length;h++){var e=(0|this.words[h])*t,o=(67108863&e)+(67108863&r);r>>=26,r+=(e/67108864|0)+(o>>>26),this.words[h]=67108863&o}return 0!==r&&(this.words[h]=r,this.length++),i?this.ineg():this},e.prototype.muln=function(t){return this.clone().imuln(t)},e.prototype.sqr=function(){return this.mul(this)},e.prototype.isqr=function(){return this.imul(this.clone())},e.prototype.pow=function(t){var i=function(t){for(var i=Array(t.bitLength()),r=0;r<i.length;r++){var n=r/26|0,h=r%26;i[r]=t.words[n]>>>h&1}return i}(t);if(0===i.length)return new e(1);for(var r=this,n=0;n<i.length&&0===i[n];n++,r=r.sqr());if(++n<i.length)for(var h=r.sqr();n<i.length;n++,h=h.sqr())0!==i[n]&&(r=r.mul(h));return r},e.prototype.iushln=function(t){n("number"==typeof t&&t>=0);var i,r=t%26,h=(t-r)/26,e=67108863>>>26-r<<26-r;if(0!==r){var o=0;for(i=0;i<this.length;i++){var s=this.words[i]&e,u=(0|this.words[i])-s<<r;this.words[i]=u|o,o=s>>>26-r}o&&(this.words[i]=o,this.length++)}if(0!==h){for(i=this.length-1;i>=0;i--)this.words[i+h]=this.words[i];for(i=0;i<h;i++)this.words[i]=0;this.length+=h}return this._strip()},e.prototype.ishln=function(t){return n(0===this.negative),this.iushln(t)},e.prototype.iushrn=function(t,i,r){n("number"==typeof t&&t>=0),h=i?(i-i%26)/26:0;var h,e=t%26,o=Math.min((t-e)/26,this.length),s=67108863^67108863>>>e<<e;if(h-=o,h=Math.max(0,h),r){for(var u=0;u<o;u++)r.words[u]=this.words[u];r.length=o}if(0===o);else if(this.length>o)for(this.length-=o,u=0;u<this.length;u++)this.words[u]=this.words[u+o];else this.words[0]=0,this.length=1;var a=0;for(u=this.length-1;u>=0&&(0!==a||u>=h);u--){var l=0|this.words[u];this.words[u]=a<<26-e|l>>>e,a=l&s}return r&&0!==a&&(r.words[r.length++]=a),0===this.length&&(this.words[0]=0,this.length=1),this._strip()},e.prototype.ishrn=function(t,i,r){return n(0===this.negative),this.iushrn(t,i,r)},e.prototype.shln=function(t){return this.clone().ishln(t)},e.prototype.ushln=function(t){return this.clone().iushln(t)},e.prototype.shrn=function(t){return this.clone().ishrn(t)},e.prototype.ushrn=function(t){return this.clone().iushrn(t)},e.prototype.testn=function(t){n("number"==typeof t&&t>=0);var i=t%26,r=(t-i)/26;return!(this.length<=r)&&!!(this.words[r]&1<<i)},e.prototype.imaskn=function(t){n("number"==typeof t&&t>=0);var i=t%26,r=(t-i)/26;return(n(0===this.negative,"imaskn works only with positive numbers"),this.length<=r)?this:(0!==i&&r++,this.length=Math.min(r,this.length),0!==i&&(this.words[this.length-1]&=67108863^67108863>>>i<<i),this._strip())},e.prototype.maskn=function(t){return this.clone().imaskn(t)},e.prototype.iaddn=function(t){return(n("number"==typeof t),n(t<67108864),t<0)?this.isubn(-t):0!==this.negative?(1===this.length&&(0|this.words[0])<=t?(this.words[0]=t-(0|this.words[0]),this.negative=0):(this.negative=0,this.isubn(t),this.negative=1),this):this._iaddn(t)},e.prototype._iaddn=function(t){this.words[0]+=t;for(var i=0;i<this.length&&this.words[i]>=67108864;i++)this.words[i]-=67108864,i===this.length-1?this.words[i+1]=1:this.words[i+1]++;return this.length=Math.max(this.length,i+1),this},e.prototype.isubn=function(t){if(n("number"==typeof t),n(t<67108864),t<0)return this.iaddn(-t);if(0!==this.negative)return this.negative=0,this.iaddn(t),this.negative=1,this;if(this.words[0]-=t,1===this.length&&this.words[0]<0)this.words[0]=-this.words[0],this.negative=1;else for(var i=0;i<this.length&&this.words[i]<0;i++)this.words[i]+=67108864,this.words[i+1]-=1;return this._strip()},e.prototype.addn=function(t){return this.clone().iaddn(t)},e.prototype.subn=function(t){return this.clone().isubn(t)},e.prototype.iabs=function(){return this.negative=0,this},e.prototype.abs=function(){return this.clone().iabs()},e.prototype._ishlnsubmul=function(t,i,r){var h,e,o=t.length+r;this._expand(o);var s=0;for(h=0;h<t.length;h++){e=(0|this.words[h+r])+s;var u=(0|t.words[h])*i;e-=67108863&u,s=(e>>26)-(u/67108864|0),this.words[h+r]=67108863&e}for(;h<this.length-r;h++)s=(e=(0|this.words[h+r])+s)>>26,this.words[h+r]=67108863&e;if(0===s)return this._strip();for(n(-1===s),s=0,h=0;h<this.length;h++)s=(e=-(0|this.words[h])+s)>>26,this.words[h]=67108863&e;return this.negative=1,this._strip()},e.prototype._wordDiv=function(t,i){var r,n=this.length-t.length,h=this.clone(),o=t,s=0|o.words[o.length-1];0!=(n=26-this._countBits(s))&&(o=o.ushln(n),h.iushln(n),s=0|o.words[o.length-1]);var u=h.length-o.length;if("mod"!==i){(r=new e(null)).length=u+1,r.words=Array(r.length);for(var a=0;a<r.length;a++)r.words[a]=0}var l=h.clone()._ishlnsubmul(o,1,u);0===l.negative&&(h=l,r&&(r.words[u]=1));for(var m=u-1;m>=0;m--){var f=(0|h.words[o.length+m])*67108864+(0|h.words[o.length+m-1]);for(f=Math.min(f/s|0,67108863),h._ishlnsubmul(o,f,m);0!==h.negative;)f--,h.negative=0,h._ishlnsubmul(o,1,m),h.isZero()||(h.negative^=1);r&&(r.words[m]=f)}return r&&r._strip(),h._strip(),"div"!==i&&0!==n&&h.iushrn(n),{div:r||null,mod:h}},e.prototype.divmod=function(t,i,r){var h,o,s;return(n(!t.isZero()),this.isZero())?{div:new e(0),mod:new e(0)}:0!==this.negative&&0===t.negative?(s=this.neg().divmod(t,i),"mod"!==i&&(h=s.div.neg()),"div"!==i&&(o=s.mod.neg(),r&&0!==o.negative&&o.iadd(t)),{div:h,mod:o}):0===this.negative&&0!==t.negative?(s=this.divmod(t.neg(),i),"mod"!==i&&(h=s.div.neg()),{div:h,mod:s.mod}):(this.negative&t.negative)!=0?(s=this.neg().divmod(t.neg(),i),"div"!==i&&(o=s.mod.neg(),r&&0!==o.negative&&o.isub(t)),{div:s.div,mod:o}):t.length>this.length||0>this.cmp(t)?{div:new e(0),mod:this}:1===t.length?"div"===i?{div:this.divn(t.words[0]),mod:null}:"mod"===i?{div:null,mod:new e(this.modrn(t.words[0]))}:{div:this.divn(t.words[0]),mod:new e(this.modrn(t.words[0]))}:this._wordDiv(t,i)},e.prototype.div=function(t){return this.divmod(t,"div",!1).div},e.prototype.mod=function(t){return this.divmod(t,"mod",!1).mod},e.prototype.umod=function(t){return this.divmod(t,"mod",!0).mod},e.prototype.divRound=function(t){var i=this.divmod(t);if(i.mod.isZero())return i.div;var r=0!==i.div.negative?i.mod.isub(t):i.mod,n=t.ushrn(1),h=t.andln(1),e=r.cmp(n);return e<0||1===h&&0===e?i.div:0!==i.div.negative?i.div.isubn(1):i.div.iaddn(1)},e.prototype.modrn=function(t){var i=t<0;i&&(t=-t),n(t<=67108863);for(var r=67108864%t,h=0,e=this.length-1;e>=0;e--)h=(r*h+(0|this.words[e]))%t;return i?-h:h},e.prototype.modn=function(t){return this.modrn(t)},e.prototype.idivn=function(t){var i=t<0;i&&(t=-t),n(t<=67108863);for(var r=0,h=this.length-1;h>=0;h--){var e=(0|this.words[h])+67108864*r;this.words[h]=e/t|0,r=e%t}return this._strip(),i?this.ineg():this},e.prototype.divn=function(t){return this.clone().idivn(t)},e.prototype.egcd=function(t){n(0===t.negative),n(!t.isZero());var i=this,r=t.clone();i=0!==i.negative?i.umod(t):i.clone();for(var h=new e(1),o=new e(0),s=new e(0),u=new e(1),a=0;i.isEven()&&r.isEven();)i.iushrn(1),r.iushrn(1),++a;for(var l=r.clone(),m=i.clone();!i.isZero();){for(var f=0,d=1;(i.words[0]&d)==0&&f<26;++f,d<<=1);if(f>0)for(i.iushrn(f);f-- >0;)(h.isOdd()||o.isOdd())&&(h.iadd(l),o.isub(m)),h.iushrn(1),o.iushrn(1);for(var p=0,M=1;(r.words[0]&M)==0&&p<26;++p,M<<=1);if(p>0)for(r.iushrn(p);p-- >0;)(s.isOdd()||u.isOdd())&&(s.iadd(l),u.isub(m)),s.iushrn(1),u.iushrn(1);i.cmp(r)>=0?(i.isub(r),h.isub(s),o.isub(u)):(r.isub(i),s.isub(h),u.isub(o))}return{a:s,b:u,gcd:r.iushln(a)}},e.prototype._invmp=function(t){n(0===t.negative),n(!t.isZero());var i,r=this,h=t.clone();r=0!==r.negative?r.umod(t):r.clone();for(var o=new e(1),s=new e(0),u=h.clone();r.cmpn(1)>0&&h.cmpn(1)>0;){for(var a=0,l=1;(r.words[0]&l)==0&&a<26;++a,l<<=1);if(a>0)for(r.iushrn(a);a-- >0;)o.isOdd()&&o.iadd(u),o.iushrn(1);for(var m=0,f=1;(h.words[0]&f)==0&&m<26;++m,f<<=1);if(m>0)for(h.iushrn(m);m-- >0;)s.isOdd()&&s.iadd(u),s.iushrn(1);r.cmp(h)>=0?(r.isub(h),o.isub(s)):(h.isub(r),s.isub(o))}return 0>(i=0===r.cmpn(1)?o:s).cmpn(0)&&i.iadd(t),i},e.prototype.gcd=function(t){if(this.isZero())return t.abs();if(t.isZero())return this.abs();var i=this.clone(),r=t.clone();i.negative=0,r.negative=0;for(var n=0;i.isEven()&&r.isEven();n++)i.iushrn(1),r.iushrn(1);for(;;){for(;i.isEven();)i.iushrn(1);for(;r.isEven();)r.iushrn(1);var h=i.cmp(r);if(h<0){var e=i;i=r,r=e}else if(0===h||0===r.cmpn(1))break;i.isub(r)}return r.iushln(n)},e.prototype.invm=function(t){return this.egcd(t).a.umod(t)},e.prototype.isEven=function(){return(1&this.words[0])==0},e.prototype.isOdd=function(){return(1&this.words[0])==1},e.prototype.andln=function(t){return this.words[0]&t},e.prototype.bincn=function(t){n("number"==typeof t);var i=t%26,r=(t-i)/26,h=1<<i;if(this.length<=r)return this._expand(r+1),this.words[r]|=h,this;for(var e=h,o=r;0!==e&&o<this.length;o++){var s=0|this.words[o];s+=e,e=s>>>26,s&=67108863,this.words[o]=s}return 0!==e&&(this.words[o]=e,this.length++),this},e.prototype.isZero=function(){return 1===this.length&&0===this.words[0]},e.prototype.cmpn=function(t){var i,r=t<0;if(0!==this.negative&&!r)return -1;if(0===this.negative&&r)return 1;if(this._strip(),this.length>1)i=1;else{r&&(t=-t),n(t<=67108863,"Number is too big");var h=0|this.words[0];i=h===t?0:h<t?-1:1}return 0!==this.negative?0|-i:i},e.prototype.cmp=function(t){if(0!==this.negative&&0===t.negative)return -1;if(0===this.negative&&0!==t.negative)return 1;var i=this.ucmp(t);return 0!==this.negative?0|-i:i},e.prototype.ucmp=function(t){if(this.length>t.length)return 1;if(this.length<t.length)return -1;for(var i=0,r=this.length-1;r>=0;r--){var n=0|this.words[r],h=0|t.words[r];if(n!==h){n<h?i=-1:n>h&&(i=1);break}}return i},e.prototype.gtn=function(t){return 1===this.cmpn(t)},e.prototype.gt=function(t){return 1===this.cmp(t)},e.prototype.gten=function(t){return this.cmpn(t)>=0},e.prototype.gte=function(t){return this.cmp(t)>=0},e.prototype.ltn=function(t){return -1===this.cmpn(t)},e.prototype.lt=function(t){return -1===this.cmp(t)},e.prototype.lten=function(t){return 0>=this.cmpn(t)},e.prototype.lte=function(t){return 0>=this.cmp(t)},e.prototype.eqn=function(t){return 0===this.cmpn(t)},e.prototype.eq=function(t){return 0===this.cmp(t)},e.red=function(t){return new S(t)},e.prototype.toRed=function(t){return n(!this.red,"Already a number in reduction context"),n(0===this.negative,"red works only with positives"),t.convertTo(this)._forceRed(t)},e.prototype.fromRed=function(){return n(this.red,"fromRed works only with numbers in reduction context"),this.red.convertFrom(this)},e.prototype._forceRed=function(t){return this.red=t,this},e.prototype.forceRed=function(t){return n(!this.red,"Already a number in reduction context"),this._forceRed(t)},e.prototype.redAdd=function(t){return n(this.red,"redAdd works only with red numbers"),this.red.add(this,t)},e.prototype.redIAdd=function(t){return n(this.red,"redIAdd works only with red numbers"),this.red.iadd(this,t)},e.prototype.redSub=function(t){return n(this.red,"redSub works only with red numbers"),this.red.sub(this,t)},e.prototype.redISub=function(t){return n(this.red,"redISub works only with red numbers"),this.red.isub(this,t)},e.prototype.redShl=function(t){return n(this.red,"redShl works only with red numbers"),this.red.shl(this,t)},e.prototype.redMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.mul(this,t)},e.prototype.redIMul=function(t){return n(this.red,"redMul works only with red numbers"),this.red._verify2(this,t),this.red.imul(this,t)},e.prototype.redSqr=function(){return n(this.red,"redSqr works only with red numbers"),this.red._verify1(this),this.red.sqr(this)},e.prototype.redISqr=function(){return n(this.red,"redISqr works only with red numbers"),this.red._verify1(this),this.red.isqr(this)},e.prototype.redSqrt=function(){return n(this.red,"redSqrt works only with red numbers"),this.red._verify1(this),this.red.sqrt(this)},e.prototype.redInvm=function(){return n(this.red,"redInvm works only with red numbers"),this.red._verify1(this),this.red.invm(this)},e.prototype.redNeg=function(){return n(this.red,"redNeg works only with red numbers"),this.red._verify1(this),this.red.neg(this)},e.prototype.redPow=function(t){return n(this.red&&!t.red,"redPow(normalNum)"),this.red._verify1(this),this.red.pow(this,t)};var w={k256:null,p224:null,p192:null,p25519:null};function y(t,i){this.name=t,this.p=new e(i,16),this.n=this.p.bitLength(),this.k=new e(1).iushln(this.n).isub(this.p),this.tmp=this._tmp()}function b(){y.call(this,"k256","ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f")}function _(){y.call(this,"p224","ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001")}function k(){y.call(this,"p192","ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff")}function A(){y.call(this,"25519","7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed")}function S(t){if("string"==typeof t){var i=e._prime(t);this.m=i.p,this.prime=i}else n(t.gtn(1),"modulus must be greater than 1"),this.m=t,this.prime=null}function x(t){S.call(this,t),this.shift=this.m.bitLength(),this.shift%26!=0&&(this.shift+=26-this.shift%26),this.r=new e(1).iushln(this.shift),this.r2=this.imod(this.r.sqr()),this.rinv=this.r._invmp(this.m),this.minv=this.rinv.mul(this.r).isubn(1).div(this.m),this.minv=this.minv.umod(this.r),this.minv=this.r.sub(this.minv)}y.prototype._tmp=function(){var t=new e(null);return t.words=Array(Math.ceil(this.n/13)),t},y.prototype.ireduce=function(t){var i,r=t;do this.split(r,this.tmp),i=(r=(r=this.imulK(r)).iadd(this.tmp)).bitLength();while(i>this.n);var n=i<this.n?-1:r.ucmp(this.p);return 0===n?(r.words[0]=0,r.length=1):n>0?r.isub(this.p):void 0!==r.strip?r.strip():r._strip(),r},y.prototype.split=function(t,i){t.iushrn(this.n,0,i)},y.prototype.imulK=function(t){return t.imul(this.k)},h(b,y),b.prototype.split=function(t,i){for(var r=Math.min(t.length,9),n=0;n<r;n++)i.words[n]=t.words[n];if(i.length=r,t.length<=9){t.words[0]=0,t.length=1;return}var h=t.words[9];for(n=10,i.words[i.length++]=4194303&h;n<t.length;n++){var e=0|t.words[n];t.words[n-10]=(4194303&e)<<4|h>>>22,h=e}h>>>=22,t.words[n-10]=h,0===h&&t.length>10?t.length-=10:t.length-=9},b.prototype.imulK=function(t){t.words[t.length]=0,t.words[t.length+1]=0,t.length+=2;for(var i=0,r=0;r<t.length;r++){var n=0|t.words[r];i+=977*n,t.words[r]=67108863&i,i=64*n+(i/67108864|0)}return 0===t.words[t.length-1]&&(t.length--,0===t.words[t.length-1]&&t.length--),t},h(_,y),h(k,y),h(A,y),A.prototype.imulK=function(t){for(var i=0,r=0;r<t.length;r++){var n=(0|t.words[r])*19+i,h=67108863&n;n>>>=26,t.words[r]=h,i=n}return 0!==i&&(t.words[t.length++]=i),t},e._prime=function(t){var i;if(w[t])return w[t];if("k256"===t)i=new b;else if("p224"===t)i=new _;else if("p192"===t)i=new k;else if("p25519"===t)i=new A;else throw Error("Unknown prime "+t);return w[t]=i,i},S.prototype._verify1=function(t){n(0===t.negative,"red works only with positives"),n(t.red,"red works only with red numbers")},S.prototype._verify2=function(t,i){n((t.negative|i.negative)==0,"red works only with positives"),n(t.red&&t.red===i.red,"red works only with red numbers")},S.prototype.imod=function(t){return this.prime?this.prime.ireduce(t)._forceRed(this):(a(t,t.umod(this.m)._forceRed(this)),t)},S.prototype.neg=function(t){return t.isZero()?t.clone():this.m.sub(t)._forceRed(this)},S.prototype.add=function(t,i){this._verify2(t,i);var r=t.add(i);return r.cmp(this.m)>=0&&r.isub(this.m),r._forceRed(this)},S.prototype.iadd=function(t,i){this._verify2(t,i);var r=t.iadd(i);return r.cmp(this.m)>=0&&r.isub(this.m),r},S.prototype.sub=function(t,i){this._verify2(t,i);var r=t.sub(i);return 0>r.cmpn(0)&&r.iadd(this.m),r._forceRed(this)},S.prototype.isub=function(t,i){this._verify2(t,i);var r=t.isub(i);return 0>r.cmpn(0)&&r.iadd(this.m),r},S.prototype.shl=function(t,i){return this._verify1(t),this.imod(t.ushln(i))},S.prototype.imul=function(t,i){return this._verify2(t,i),this.imod(t.imul(i))},S.prototype.mul=function(t,i){return this._verify2(t,i),this.imod(t.mul(i))},S.prototype.isqr=function(t){return this.imul(t,t.clone())},S.prototype.sqr=function(t){return this.mul(t,t)},S.prototype.sqrt=function(t){if(t.isZero())return t.clone();var i=this.m.andln(3);if(n(i%2==1),3===i){var r=this.m.add(new e(1)).iushrn(2);return this.pow(t,r)}for(var h=this.m.subn(1),o=0;!h.isZero()&&0===h.andln(1);)o++,h.iushrn(1);n(!h.isZero());var s=new e(1).toRed(this),u=s.redNeg(),a=this.m.subn(1).iushrn(1),l=this.m.bitLength();for(l=new e(2*l*l).toRed(this);0!==this.pow(l,a).cmp(u);)l.redIAdd(u);for(var m=this.pow(l,h),f=this.pow(t,h.addn(1).iushrn(1)),d=this.pow(t,h),p=o;0!==d.cmp(s);){for(var M=d,v=0;0!==M.cmp(s);v++)M=M.redSqr();n(v<p);var g=this.pow(m,new e(1).iushln(p-v-1));f=f.redMul(g),m=g.redSqr(),d=d.redMul(m),p=v}return f},S.prototype.invm=function(t){var i=t._invmp(this.m);return 0!==i.negative?(i.negative=0,this.imod(i).redNeg()):this.imod(i)},S.prototype.pow=function(t,i){if(i.isZero())return new e(1).toRed(this);if(0===i.cmpn(1))return t.clone();var r=Array(16);r[0]=new e(1).toRed(this),r[1]=t;for(var n=2;n<r.length;n++)r[n]=this.mul(r[n-1],t);var h=r[0],o=0,s=0,u=i.bitLength()%26;for(0===u&&(u=26),n=i.length-1;n>=0;n--){for(var a=i.words[n],l=u-1;l>=0;l--){var m=a>>l&1;if(h!==r[0]&&(h=this.sqr(h)),0===m&&0===o){s=0;continue}o<<=1,o|=m,(4==++s||0===n&&0===l)&&(h=this.mul(h,r[o]),s=0,o=0)}u=26}return h},S.prototype.convertTo=function(t){var i=t.umod(this.m);return i===t?i.clone():i},S.prototype.convertFrom=function(t){var i=t.clone();return i.red=null,i},e.mont=function(t){return new x(t)},h(x,S),x.prototype.convertTo=function(t){return this.imod(t.ushln(this.shift))},x.prototype.convertFrom=function(t){var i=this.imod(t.mul(this.rinv));return i.red=null,i},x.prototype.imul=function(t,i){if(t.isZero()||i.isZero())return t.words[0]=0,t.length=1,t;var r=t.imul(i),n=r.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),h=r.isub(n).iushrn(this.shift),e=h;return h.cmp(this.m)>=0?e=h.isub(this.m):0>h.cmpn(0)&&(e=h.iadd(this.m)),e._forceRed(this)},x.prototype.mul=function(t,i){if(t.isZero()||i.isZero())return new e(0)._forceRed(this);var r=t.mul(i),n=r.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m),h=r.isub(n).iushrn(this.shift),o=h;return h.cmp(this.m)>=0?o=h.isub(this.m):0>h.cmpn(0)&&(o=h.iadd(this.m)),o._forceRed(this)},x.prototype.invm=function(t){return this.imod(t._invmp(this.m).mul(this.r2))._forceRed(this)}}(t=r.nmd(t),this)}}]);