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

int main() {
  long long N; cin >> N;
  for(long long i = 1; i*i*i <= 1000000000000000000; i++){
    long long ans = i*i*i;
    if(ans == N){
      cout << "Yes" << endl;
      return 0;
    }if(ans > N) break;
  }
  cout << "No" << endl;
}