using System;

using System.Linq;

​

public class Program

{

    public static void Main()

    {

        var x = "#K06[1234567-0257;S2W546#20-H2]"; 

        var y = x.Split('-')[1].Replace(";", "").Replace("#", "");

        Console.WriteLine(y == "0257S2W54620");

        Console.WriteLine(y);

    }

}