#include<stdio.h>
int main()
{
int year;
printf("enter year value : ");
scanf("%d",&year);
if(year%4==0)
{
if(year%100==0)
{
if(year%400==0)
{
printf(" %d is a leap yaer \n",year);
}
else
{
printf(" %d is not a leap year \n",year);
}
}
else
{
printf("%d is a leap year \n",year);
}
}
else
{