#include <bits/stdc++.h>
using namespace std;

#define ll long long
#define rep(i, n) for (int i = 0; i < (n); i++)
#define P pair<int, int>

int main() {
  int n, z;
  cin >> n >> z;

  if (n >= 3) {
    cout << "No" << endl;
  } else if (n == 1) {
    if (z == 1) {
      cout << "No" << endl;
    } else {
      cout << "Yes" << endl;
    }
  } else {
    rep(i, 1000) {
      rep(j, 1000) {
        if ((i+1)*(i+1) + (j+1)*(j+1) == z*z) {
          cout << "Yes" << endl;
          return 0; 
        }
      }
    }

    cout << "No" << endl;
  }



}