#include <bits/stdc++.h>
using namespace std;

#define rep(i,n) for(int (i)=0;(i)<(n);(i)++)
#define rep3(i,m,n) for(int (i)=m;(i)<=(n);(i)++)
#define rep3rev(i,m,n) for(int (i)=m;(i)>=(n);(i)--)
#define all(a) (a.begin()),(a.end())
#define rall(a) (a.rbegin()),(a.rend())
#define fi first
#define se second
#define pb push_back
#define eb emplace_back

using ll = long long;
using vll = vector<ll>;
using vi = vector<int>;
using vvi = vector<vector<int>>;
using P = pair<int, int>;

ll sum(ll a, ll b){
    return (a+b) * (b-a+1) / 2;
}

bool isprime(ll x){
    for(ll i = 2; i*i <= x; i++){
        if(x % i == 0) return false;
    }
    return true;
}

bool beki(ll x){
    if(x == 1) return true;
    if(x % 2 == 1) return false;
    else return beki(x/2);
}

void Main(){
    ll a; cin >> a;
    if(a == 3) cout << "YES" << endl;
    else if(isprime(a) || beki(a)) cout << "NO" << endl;
    else cout << "YES" << endl;
    return;
}

int main(){
    cin.tie(nullptr);
    ios_base::sync_with_stdio(false);
    cout << fixed << setprecision(15);
    Main();
    return 0;
}