problem_1 chapter_2

#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%4==0)

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


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


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


    return 0;
}