#include "stdio.h"

int isLeapYear(int year)
{

    if(((year % 4 == 0) && (year % 100 != 0)) || (year % 400 == 0))
    {
        year = 1;
    }
    else
    {
        year = 0;
    }
    return year;

    // If 'year' is leap year, return 1
    // else return 0
}

int main()
{
    int year;
    printf("Enter any year: ");
    scanf("%d", &year);
    if(isLeapYear(year)) {
        printf("%d is leap year!\n", year);
    } else {
        printf("%d is not leap year!\n", year);
    }
    return 0;
}