#include "stdio.h"

int isLeapYear(int year)
{
	if((year % 4) == 0)
	{
		if((year % 100) == 0)
		{
			if((year % 400) == 0)
			{
				return 1;
			}
			else
				return 0;
		}
		else
			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;
}