#include <stdio.h>
int main ()
{
    int n = 0;
    scanf("%d",&n);
    if(n%400 == 0)
    {
        printf("yes");
    }
    else if(n%4 == 0&&n%100!=0)
    {
        printf("yes");
    }
    else 
    {
        printf("no");
    }
    return 0;
}