using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string readText = "description <XC descritption long , id123123123 IP:120.120.120.20 VC\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b$ <XC descritption long, id123123123  IP:120.120.120.20 VCI         \b\b\b\b\b\b\b\b\bD:2500\r\ndescription <XC descritption long, id123123123  IP:120.120.120.20 VCID:2500\r\n  ^\r\n% Invalid input detected at '^' marker.\r\n\r\ngateway2#";

        string cleanText = ParseBackspaces(readText);

        Console.Write(cleanText);

    }

    public static string ParseBackspaces(string input)

    {

        List<char> characters = new List<char>(input);

        int index = 0;

        while (index < characters.Count)

        {

            int back1 = index - 1;

            if (back1 >= 0 && characters[index] == '\b')

            {

                characters.RemoveRange(back1, 2);

                index = back1;

                continue;

            }

            else if (characters[index] == '\b')

            {

                characters.RemoveAt(index);

                continue;

            }

            index++;

        }

        return new String(characters.ToArray());

    }

}