#include<iostream>
#include<vector>
#include<algorithm>

using namespace std;
using ll = long long;

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    ll n;
    cin>>n;
    ll right = 1e6 + 1;
    ll left = 0;
    while(right-left>1){
        ll mid = (right+left) / 2;
        if(mid*mid*mid>=n) right = mid;
        else left = mid;
    }
    if(right*right*right==n) cout<<"Yes\n";
    else cout<<"No\n";
}