#include <iostream>
#include <vector>
#include <algorithm>
#include <map>
#include <string>
#include <queue>
#include <stack>
#include <math.h>
#include <set>
#include <cstdio>
#define ALL(obj) (obj).begin(),(obj).end()
#define RALL(obj) (obj).rbegin(),(obj).rend()
#define P pair<int, int>

#define MOD 1000000007
#define INF 1012345678
#define NINF (-2147483647-1)
#define LLINF 9223372036854775807
using ll = long long;
using namespace std;

int main() {
    ll N,M;
    cin >> N;
    int cnt = 0;
    M = N;
    for (ll i = 2; i*i <= N; i++)
    {
        while (M % i == 0) {
            cnt++;
            M /= i;
            if (cnt >= 3) {
                break;
            }
        }
        if (cnt >= 3) {
            break;
        }
    }
    if (cnt >= 3) {
        cout << "YES" << endl;
    }
    else {
        cout << "NO" << endl;
    }
    getchar(); getchar();
    return 0;
}