using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        var c = new CultureInfo("en-US");

        c.NumberFormat.CurrencyNegativePattern = 1;

        Console.WriteLine((1225.256).ToString("C",c));

        Console.WriteLine((-1225.256).ToString("C",c));

    }

}