5-lLeap-year-check.c

#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 && year % 4 == 0)
    {
        printf("%d is a leap year.", year);
    }
    else
        printf("%d is not a leap year.", year);

    return 0;
}