C# Program to Add Digits of a Number using C#

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace ConsoleApplication1
{
    class CalcAvgPerc
    {
        static void Main(string[] args)
        {
            int number, temp, sum = 0, remainder;
            Console.WriteLine("Program to add digits of a Number");
            Console.WriteLine("Enter the Number for which you want to sum up the digits..");
            number = int.Parse(Console.ReadLine());
            Console.WriteLine("Adding the digits for Number {0} ......", number);
            System.Threading.Thread.Sleep(2000);
            temp = number;
            while (temp != 0)
            {
                remainder = temp % 10;
                sum = sum + remainder;
                temp = temp / 10;
            }
            Console.WriteLine("Sum of the digits for number : {0} is Sum : {1}", number, sum);
            Console.ReadKey();
        }
    }
}