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

int main() {
  int N, Z;
  cin >> N >> Z;
  if (N == 1 && Z != 1) return cout << "Yes" << "\n", 0;
  vector<int> V;
  for (int i = 1; i <= Z; i++) V.push_back(pow(i, N));
  for (int i = 0; i < Z; i++) {
    for (int j = 0; j <= i; j++) {
      if (V.at(i) + V.at(j) == V.back()) return cout << "Yes" << "\n", 0;
    }
  }
  cout << "No" << "\n";
}