using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        var input = "$10000";

        var output = "";

        decimal decval;

        bool convt = decimal.TryParse(input, NumberStyles.Currency, CultureInfo.InvariantCulture.NumberFormat, out decval);

        if (convt)

        {

            output = decval.ToString();

        }

        else {

            output = input;

        }

        output.Dump();

    }

}