Code:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Program
{
class Program
{
static void Main(string[] args)
{
int num, sum = 0, r;
Console.WriteLine("Enter a Number : ");
num = int.Parse(Console.ReadLine());
while (num != 0)
{
r = num % 10;
num = num / 10;
sum = sum + r;
}
Console.WriteLine("Sum of Digits of the Number : "+sum);
Console.ReadLine();
}
}
}
Output:
Enter a Number : 123
Sum of Digits of the Number : 6
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