using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        decimal value = 123.4M;

        Console.WriteLine(value.ToString(System.Globalization.CultureInfo.GetCultureInfo("it-IT")));

        Console.WriteLine(value.ToString(System.Globalization.CultureInfo.GetCultureInfo("en-EN")));

    }

}