Write a C program to check whether entered year is leap year or not

#include <stdio.h>

int main()

{

int year;

printf("Enter a year to check if it is a leap year\n");

scanf("%d", &year);

if ( year%400 == 0)

printf("%d is a leap year.\n", year);

else if ( year%100 == 0)

printf("%d is not a leap year.\n", year);

else if ( year%4 == 0 )

printf("%d is a leap year.\n", year);

else

printf("%d is not a leap year.\n", year);

return 0;

}