#include <algorithm>
#include <cmath>
#include <cstdio>
#include <functional>
#include <iostream>
#include <map>
#include <numeric>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
using namespace std;
using ll = long long;
int main() {
  ll n, z;
  cin >> n >> z;
  if(n >= 3) {
    cout << "No\n";
  } else {
    if(n == 1) {
      if(z >= 2) {
        cout << "Yes\n";
      } else {
        cout << "No\n";
      }
      return 0;
    }
    for(ll i = 1; i <= z * z; i++) {
      for(ll j = i; j <= z * z; j++) {
        if(i * i + j * j == z * z) {
          cout << "Yes\n";
          return 0;
        } else if(i * i + j * j > z * z) {
          break;
        }
      }
    }
    cout << "No\n";
  }

  return 0;
}