/* -*- coding: utf-8 -*-
 *
 * 1585.cc:  No.1585 Cubic Number - yukicoder
 */

#include<cstdio>
#include<cstdlib>
#include<cstring>
#include<cmath>
#include<iostream>
#include<string>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<list>
#include<queue>
#include<deque>
#include<algorithm>
#include<numeric>
#include<utility>
#include<complex>
#include<functional>
 
using namespace std;

/* constant */

const int MAX_D = 1000000;

/* typedef */

typedef long long ll;

/* global variables */

/* subroutines */

inline ll cube(int x) { return (ll)x * x * x; }

/* main */

int main() {
  ll n;
  scanf("%lld", &n);

  int d0 = 0, d1 = MAX_D;
  while (d0 + 1 < d1) {
    int d = (d0 + d1) / 2;
    if (cube(d) >= n) d1 = d;
    else d0 = d;
  }

  if (cube(d1) == n) puts("Yes");
  else puts("No");
  return 0;
}