ISBN.java in a pgm

ISBN.java

public class ISBN

{

              public static void main(String[] args)

{

        int N = Integer.parseInt(args[0]);

            int sum = 0;

      for (int i = 2; i <= 10; i++)

     {

         int digit = N % 10;               

         sum = sum + i * digit;

         N = N / 10;

      }

    

      System.out.print("The full ISBN number is " + args[0]);

      if      (sum % 11 == 1) System.out.println("X");

      else if (sum % 11 == 0) System.out.println("0");

      else                   

      System.out.println(11 - (sum % 11));

   }

}