HW2.6

 import java.util.Scanner;

 public class Solution
 {
     public static void main(String[] args)
     {
         Scanner input = new Scanner(System.in);

         System.out.print("Enter a number between 0 and 1000: ");

         int number = input.nextInt();
         int sum = 0;

         if(number > 0 && number < 1000)
         {
             if(number >= 100)
                 sum += number / 100 + number % 10 + (number / 10) % 10;
             else if(number >= 10)
                 sum += number / 10 + number % 10;
             else
                 sum += number % 10;
         }

         System.out.println("The sum of the digits is " + sum);

         input.close();
     }
 }