LEAP YEAR OR NOT

#include <stdio.h>
int main()
{
   int year;
   printf("Enter a year: ");
   scanf("%d", &year);

   if (year % 400 == 0)
   {
      printf("%d is a leap year.", year);
   }

   else if (year % 100 == 0)
   {
      printf("%d is not a leap year.", year);
   }

   else if (year % 4 == 0)
   {
      printf("%d is a leap year.", year);
   }

   else
   {
      printf("%d is not a leap year.", year);
   }

   return 0;
}