#include<bits/stdc++.h>

using namespace std;
using ll = long long;

int main(){
    ll n;
    cin >> n;
    vector<ll> cubic(1000005,0);
    
    for(ll i=0;i*i*i <= n;i++) cubic[i] = i*i*i;
    
    bool flag = false;
    
    for(ll i=0;i*i*i <=n;i++){
        if(n == cubic[i]){
            flag = true;
            break;
        }
    }
    cout << (flag ? "Yes" : "No") << endl;
}