#include <stdio.h>

int main(void) {
	int year;
	printf("please enter the year: ");
	scanf("%d",&year);

	if(year%400==0){ 
		printf("%d is the leap year.",year);
		
	}else if (year%100==0){ 
		printf("%d is not leap year.",year);
		
	}else if (year%4==0){ 
		printf("%d is leap year.",year);
		
	}else{ 
		printf("%d is not leap year.",year);
	}

  
   
	return 0;
}