#include <iostream>
#include <vector>
#include <cmath>
#include <map>
#include <set>
#include <iomanip>
#include <queue>
#include <algorithm>
#include <numeric>
#include <deque>
#include <complex>
#include <cassert>

using namespace std;
using ll = long long;

int main(){

    ll N;
    cin >> N;
    for (ll i=1; i<=1e6; i++){
        if (i*i*i == N){
            cout << "Yes" << endl;
            return 0;
        }
    }

    cout << "No" << endl;

    return 0;
}