#include #define rep(i,n) for (int i = 0; i < (int)(n); i ++) #define irep(i,n) for (int i = (int)(n) - 1;i >= 0;--i) using namespace std; using ll = long long; using PL = pair; using P = pair; constexpr int INF = 1000000000; constexpr long long HINF = 1000000000000000; constexpr long long MOD = 1000000007;// = 998244353; constexpr double EPS = 1e-4; constexpr double PI = 3.14159265358979; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int N,z; cin >> N >> z; if (N >= 3) { cout << "No" << '\n'; return 0; } if (N == 1) { if (z >= 2) cout << "Yes" << '\n'; else cout << "No" << '\n'; } else { for (int i = 1;i <= z;++i) { for (int j = 1;j <= z;++j) { if (i*i + j*j == z*z) { cout << "Yes" << '\n'; return 0; } } } cout << "No" << '\n'; } return 0; }