using System;

public class Program

{

    public static void Main()

    {

        int a;

        int sum = 0;

        int k = 0;

        while (k < 1000)

        {

            a = k;

            sum = 0;

            while(a > 0)

            {

                sum = a % 10 + sum;

                a = a / 10;

            }

            Console.Write(k + " ");

            Console.WriteLine(sum);

            k=k+1;

        }

        Console.WriteLine(sum);

    }

}