#include using namespace std; using ll = long long; constexpr char newl = '\n'; int main() { cin.tie(nullptr); ios::sync_with_stdio(false); int n; ll z; cin >> n >> z; if (n >= 3) { cout << "No\n"; } else if (n == 1) { cout << (z == 1 ? "No" : "Yes") << newl; } else { ll z2 = z * z; for (ll x = 1; x <= z; x++) { for (ll y = 1; y <= z; y++) { if (x * x + y * y == z2) { cout << "Yes\n"; return 0; } } } cout << "No" << newl; } return 0; }