import java.util.Scanner;
public class Main
{
	public static void main(String[] Args)
	{
		Scanner sc = new Scanner(System.in);
		int year = sc.nextInt();
		int a = 0;
		if(year%400==0)
        a=1;
    else
    {
        if(year%4==0&&year%100!=0)
            a=1;
        else
            a=0;
    }
    if(a==1)
    {
        System.out.println("yes");
    }
    else
    {
       System.out.println("no");
    }

	}
}
/**************************************************************
	Problem: 1646
	User: admin
	Language: Java
	Result: Accepted
	Time:1018 ms
	Memory:39732 kb
****************************************************************/