#include <stdio.h>

int main(void) {
	int year;
	printf("please enter year: ");
	scanf("%d",&year);
if(year%400==0||year%4==0 && year%100!=0)
	{ printf("the %d is leap year",year);
		
	}else{ 
		printf("the %d is not leap year"); 
	}
	return 0;
}