C-Sharp-programming: Write a program to print sum of individual numbers in C-sharp

using System;
public class SumExample
{
public static void Main(string[] args)
{
int n,sum=0,m;
Console.Write("Enter a number: ");
n= int.Parse(Console.ReadLine());
while(n>0)
{
m=n%10;
sum=sum+m;
n=n/10;
}
Console.Write("Sum is= "+sum);
}
}