#include "stdio.h"

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

}


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;
}