#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <fstream>
#include <sstream>
#include<set>
#include<stack>
#include<time.h>
#include <sys/types.h>
#include <tuple>
#include <numeric>
#include <iterator>

typedef long long int ll;
//#include<bits/stdc++.h>


using namespace std;

ll gcd(ll a, ll b) {
    if (a < b)swap(a, b);
    if (b == 0)return a;
    return gcd(b, a % b);
}
int lcm(int a, int b) {
    return a * b / gcd(a, b);
}







int main()
{

    int Q;
    Q = 1;
    //cin >> Q;   

    while (Q--) {
        
        vector<ll>f;
        f.push_back(2);
        for (ll i = 3; i <= 1e7; i += 2) {
            bool t = 1;
            for (ll j = 3; j * j <= i; j += 2) {
                if (i % j)continue;
                t = 0; break;
            }
            if (t)f.push_back(i);
        }
        ll n;
        cin >> n;
        int x = 0;
        for (ll i = 0; i<f.size(); i++) {
            while (n % f[i] == 0) {
                x++; n /= f[i];
                
            }
        }
        if (x < 3)cout << "NO";
        else cout << "YES";
    }
        return 0;
}