"find a year is leap year or not ,using if else statement " in c .

  //find a year is leap year or not, using if else statement

 # include <stdio.h>

 int main (){

    int y;

    printf ("enter the year  :");

    scanf ("%i",&y);

    if (y%4==0){

        if (y%100==0){

            if (y%400==0)

                printf ("%i is a leap year ",y);

                else

                 printf ("%i is  not a leap year ",y);

        }

           

            else printf ("%i is a leap year ",y);

        }

        else printf ("%i is  not a leap year ",y);

        return 0;

    }