How to check the year is leap year or not?

CODE

How to check the year is leap year or not?

int main()

{

    int y;

    printf("\n enter an year:");

    scanf("%i",&y);

    if((y%4==0&&y%100!=0)||(y%400==0))

        printf("\n the year is a leap year");

    else

        printf("\n the year is not a leap year");

}

Output:

enter an year:

2000

 the year is a leap year