#include <iostream>

using namespace std;

int main(){
        int a = 0; 
        cin>>a;
        int even = (a % 2) ? 0 : 1;
        if(!even){
                cout<<"NO";
                return 0;
        }
        a -= 2;
        if(a <= 0){
                cout<<"NO";
                return 0;
        }
        cout<<"YES";
        return 0;
}