#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf 1000000001



int main(){
	
	long long n;
	cin>>n;
	
	for(long long i=1;i<=1000000;i++){
		if(i*i*i==n){
			cout<<"Yes"<<endl;
			return 0;
		}
	}
	
	cout<<"No"<<endl;
	
	return 0;
}