import java.util.Scanner;
public class NurlanJava {
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        if((a%4 == 0 && a%100 != 0) || (a%400 == 0)){
            System.out.println("YES");
        }
        else{
            System.out.println("NO");
        }

    }
}