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

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