ll@f,a,@b,@c,y=0,g=b+c-f-1;rep(d,1,g)REP(e,1,g-d+1)a=d+f+e,y|=(b<a+c&&c<a+b&&d*(d+f)*c*c==(f+e)*e*b*b);wt(y?"Yes":"No");