#include <stdio.h>

int main() {
    int n;
    scanf("%d",&n);
    if (n%400 == 0) {
        printf("yes");
    }
    else if (n%4 == 0 && n%100 != 0) {
        printf("yes");
    }
    else {
        printf("no");
    }
    return 0;
}