#include #define rep(i,n) for(int i=0;i<(int)(n);i++) using namespace std; using ll = long long ; using P = pair ; using pll = pair; constexpr int INF = 1e9; constexpr long long LINF = 1e17; constexpr int MOD = 1000000007; constexpr double PI = 3.14159265358979323846; int main(){ int n,z; cin >> n >> z; if(n==2){ for(int i=1;i<=1000;i++){ for(int j=1;j<=1000;j++){ if(i*i+j*j==z*z){ cout << "Yes" << endl; return 0; } } } cout << "No" << endl; }else if(n==1){ if(z==1) cout << "No" << endl; else cout << "Yes" << endl; } else{ cout << "No" << endl; } return 0; }