using System;

public class Program

{

    public static void Main()

    { int number, sum = 0;

        Console.WriteLine("Enter a number:");

        number = int.Parse(Console.ReadLine());

        while (number!= 0)

        {

            int m = number % 10;

            number = number / 10;

            sum = sum + m;

        }

        Console.WriteLine("Sum of digits of the number:" + sum);

        Console.ReadLine();

       }}

​