#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int n, z;
  cin >> n >> z;
  if (n == 1) {
    cout << (z != 1 ? "Yes" : "No") << '\n';
  }
  else if (n == 2) {
    bool ok = false;
    for (int x = 1; x * x <= z; ++x) {
      for (int y = x; x * x + y * y <= z; ++y) {
        if (x * x + y * y == z) {
          ok = true;
          break;
        }
      }
    }
    cout << (ok ? "Yes" : "No") << '\n';
  }
  else {
    cout << "No" << '\n';
  }
  return 0;
}