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

long long n;

int main(){
    cin >> n;

    bool ans = false;
    for(long long i=floor(sqrt(sqrt(n))); i*i*i <= n; i++){
        if(i*i*i == n) ans = true;
    }

    if(ans) cout << "Yes" << endl;
    else cout << "No" << endl;
}