#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;
}