#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
using pint = pair<int, int>;
using pll = pair<ll, ll>;

int main(){
    ll N; cin >> N;
    bool ok = false;
    for(ll a = 1; a * a * a <= N; a++){
        if(a * a * a == N)ok = true;
    }
    cout << (ok ? "Yes": "No") << endl;
}