using System;

using System.Globalization;

​

public class Program

{

    public static void Main()

    {

        var currency = "isk";

        var jurisdiction = "gi";

        var invariant = currency.ToUpperInvariant() + "\t" + jurisdiction.ToUpperInvariant();

        var culturedTR = currency.ToUpper(new CultureInfo("tr-TR")) + "\t" + jurisdiction.ToUpper(new CultureInfo("tr-TR"));

        var culturedUS = currency.ToUpper(new CultureInfo("en-US")) + "\t" + jurisdiction.ToUpper(new CultureInfo("en-US"));

        Console.WriteLine("Invariant: " + invariant + "\n");

        Console.WriteLine("Turkish: " + culturedTR + "\n");

        Console.WriteLine("English: " + culturedUS);

    }

}