C program to find given year is leap year or not.......

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

void main()
{
int yr;
clrscr();
printf("\n Enter a year: ");
scanf("%d",&yr);
if ( yr %100 == 0)
{
if( yr %400 == 0)
{
printf("\n Leap Year ");
}
else
{
printf("\n Not Leap Year ");
}
}
else
{
if (yr %4 ==0)
{
  printf("\n Leap Year ");
}
else
{
printf("\n Not Leap Year ");
}
}
getch();
}