/**
 * The Average class implements an application that
 * calculates the average of a collection of integers
 * typed in at the keyboard.
 */


class Average
  {
    // -------------- the MAIN method --------------------------
    public static void main(String [] args) throws Exception
      {
        double avg = 0.0;

        System.out.println("The args array contains the following numbers");
        for(int i=0; i<args.length; i++)
          System.out.print(args[i] + "   ");
        System.out.println();

        if (args.length != 0)
          { for (int i=0; i<args.length; i++)
              avg += Integer.parseInt(args[i]);
            avg /= args.length;
            System.out.println("The average is " + avg);
          }

        else
          System.out.println("You didn't give me any numbers!");
      }
  } // end of class Average