write a c program to check the year is leap year or not a leap year

#include <stdio.h>
#include<conio.h>

void main()
{
  int year;
  clrscr();
  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();
}

/*if this program show any error while executing the program please contact us on mohd.nazirhusain31@gmail.com*/