#include <iostream>
using namespace std;
int k;
int n;
int f,g;
int main() {
cin>>n>>k;
f = n*n*n*n+2*n*n*n+n*n+2*n;
g = 3*n+1;
if(f==g*k){
cout << "Yes"<<endl;
}
return 0;
}
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