#include<bits/stdc++.h>
#define rep(i,n) for(int i=0;i<n;i++)
using namespace std;

int solve(){
  long double _a;
  long double _b;
  cin >> _a >> _b;
  if(_b == 0){
     cout << "Yes" << "\n";
     return 0;
  }
  if(_b < 0){
    _a = 1 / _a;
    _b *= -1;
  }
  int i = int(_b);
  _b -= i;
  if(_b < 0.000001) _b += 1;
  long double c = pow(_a, _b);
  long long x = round(c);
  if(abs(c - x) < 0.0000000001) cout << "Yes" << "\n";
  else cout << "No" << "\n";
  return 0;
}

int main(){
  solve();
  return 0;
}