#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,m,n) for(int i=m; i<n; ++i)
#define repl(i,m,n) for(ll i=m; i<n; ++i)

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

    ll l = 0LL, r = 1000100;
    while(r != l + 1){
        ll mid = (r + l)/2LL;
        if(mid * mid * mid > N) r = mid;
        else l = mid;
    }

    cout << (l*l*l == N ? "Yes" : "No") << endl;
    return 0;
}