#include <bits/stdc++.h>
using namespace std;
int main(){
  int n, z;
  cin >> n >> z;
  if (n == 1){
    if (z == 1){
      cout << "No" << endl;
    } else {
      cout << "Yes" << endl;
    }
  }
  int c = 1;
  for (int i = 0; i < n; i++){
    c *= z;
  }
  set<int> st;
  int b = 1;
  while (1){
    long long p = 1;
    bool big = false;
    for (int i = 0; i < n; i++){
      p *= b;
      if (p > c){
        big = true;
        break;
      }
    }
    if (big){
      break;
    } else {
      st.insert(p);
      b++;
    }
  }
  bool ok = false;
  for (int a : st){
    if (st.count(c - a)){
      ok = true;
    }
  }
  if (ok){
    cout << "Yes" << endl;
  } else {
    cout << "No" << endl;
  }
}