#include <stdio.h>
 
int isleap(int  y)
{
   return y % 4 == 0 && y % 100 != 0 || y % 400 == 0;
}
 
 
int main()
{
   int year;
 
   printf("bir yil giriniz: ");
   scanf("%d", &year);
 
   if (isleap(year))
      printf("%d yili artik yildir!\n", year);
   else
      printf("%d yili artik yil degildir!\n", year);
 
   return 0;
}