using System;

public class Sum

{

public static void Main (string[]args)

{

int n,sum=0,m;

Console.Write("Enter the no");

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

while (n>0)

{

m=n%10;

sum=sum+m;

n=n/10;

}

Console.Write("sum is="+sum);

}

}