using System;

public class Program

{

    public static void Main()

    {

         Console.WriteLine("Enter a number");

            int n = Int32.Parse(Console.ReadLine());

            string str = n.ToString();

            int r,sum=0;

            char[] a = str.ToCharArray();

            int l = str.Length;

            Array.Reverse(a);

            for(int i=0;i<l-1;i++)

            {

                r = Int32.Parse(a[i].ToString()) - Int32.Parse(a[i + 1].ToString());

                if (r < 0)

                    r = r * -1;

                sum = sum * 10 + r;

            }

            str = sum.ToString();

            a = str.ToCharArray();

            Array.Reverse(a);

            l = str.Length;

            sum = 0;

            for (int i = 0; i < l - 1; i++)

            {

                r = Int32.Parse(a[i].ToString()) - Int32.Parse(a[i + 1].ToString());

                if (r < 0)

                    r = r * -1;

                sum = sum * 10 + r;

            }

            Console.WriteLine("The output is = {0}", sum);

    }

}