#include <iostream>
#include <vector>
#include <map>
using namespace std;
using ll = long long;
using ull = unsigned long long;
#define rep(i,n) for(int i=0; i<(n); i++)

int main(){
  ll N; cin >> N;
  for(ll i = 1; i <= 2000000; i++) if(i*i*i == N){ cout << "Yes\n"; exit(0); }
  cout << "No\n";
  return 0;
}

struct ios_do_not_sync{
  ios_do_not_sync(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
  }
} ios_do_not_sync_inst;