leap year program in c

#include<stdio.h>
#include<conio.h>
void main()
{
    int year;
    clrscr();
    printf("Enter a Year : ");
    scanf("%d",&year);
    if(year%4==0&&year%100!=0||year%400==0)
    {
        printf("Leap Year");
    }
    else
    {
        printf("Not a Leap Year");
    }
    getch();  
}
                                

Enter a Year : 2015
Not a Leap Year