#include <stdio.h>
int main()
{
    int year;
    scanf("%d", &year);

    if (year % 400 == 0)
    {
        printf("YES\n");
    }
    else if (year % 4 == 0 && year % 100 != 0)
    {
        printf("YES\n");
    }
    else
        printf("NO\n");

    return 0;
}