package com.company;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int w = sc.nextInt();
        if (w > 2 && w % 2 == 0)
        {
            System.out.println("YES");
        }
        else
        {
            System.out.println("NO");
        }
    }
}