#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = 1e+9;
const ll LINF = (ll)pow(10,18);

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

    bool can = 0;

    for(ll i=1; i<=1000000; i++) if(i*i*i == n) can = 1;

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