//#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
//using namespace atcoder;
using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)
using Graph = vector<vector<ll>>;
Graph G;
vll dist;
vector<bool> seen;
ll mod = 1e9 + 7;


int main() {
    ll N;
    cin>>N;
    for(ll i=1;i*i*i<=N;i++){
        if(i*i*i==N){
            cout<<"Yes"<<endl;
            return 0;
        }
    }
    cout<<"No"<<endl;
    
}