//C++ Program to Check Leap Year
//header files
#include<iostream.h>
#include<conio.h>

void main()
{

clrscr();
int year;
cout << "Enter a year: ";
cin >> year;
if (year % 4 == 0)
{

if (year % 100 == 0)
{

if (year % 400 == 0)

cout << year << " is a leap year.";

else

cout << year << " is not a leap year.";

}

else

cout << year << " is a leap year.";

}

else

cout << year << " is not a leap year.";

getch();

}