#include using namespace std; int main(){ int n, z; cin >> n >> z; if(n == 1){ if(z == 1) cout << "No" << endl; else cout << "Yes" << endl; }else if(n == 2){ for(int i = 1; i <= z; i++){ for(int j = 1; j <= z; j++){ if(i * i + j * j == z * z){ cout << "Yes" << endl; return 0; } } } cout << "No" << endl; }else{ cout << "No" << endl; } }