#include <bits/stdc++.h>
using namespace std;
string zero="";
string one="#";
string two="##";
#define sz(x) (x.size())
string solve(int x) {
    if(x==sz(one)) return "NO";
    if(x==sz(two)) return "YES";
    for(int i=sz(two); i<x; i++) {
        if(x%i==sz(zero)) {
            return "NO";
        }
    }
    return "YES";
}
int main() {
    int n;
    cin>>n;
    cout<<solve(n)<<endl;
    return zero.size();
}