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