//Normal

#define _GLIBCXX_DEBUG
#define ll long long
#include <bits/stdc++.h>
using namespace std;
using Graph = vector<vector<int>>;

void print(auto a){
  cout << a;
}

void prints(auto a){
  cout << a << " ";
}

void prints(){
  cout << " ";
}

void printl(auto a){
  cout << a << endl;
}

void printl(){
  cout << endl;
}

void fix(int n){
  cout << fixed << setprecision(n);
}

int main(){
  ll N; cin >> N;

  for(ll i = 1; ; i++){
    if(i*i*i == N){
      printl("Yes");

      return 0;
    }
    if(i*i*i > N){
      printl("No");

      return 0;
    }
  }
}