#include <stdio.h>
#include<conio.h>
int main()
{
  int year;

  printf("Enter a year to check if it is a leap year\n");
  scanf("%d", &year);

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

  getch();

}