Checking leap year

#include<conio.h>
#include<iostream.h>
int main()
{
int year;
cout<<"Enter year :";
cin>>year;
if(year%400==0||year%100==0||year%4==0)
cout<<endl<<year<<" is Leap year .";
else
cout<<endl<<year<<" is Not Leap year .";
getch();
}