using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        double result = 0;

        if (Double.TryParse("29.97999999999999", NumberStyles.Any, CultureInfo.InvariantCulture, out result)) {

          Console.WriteLine(result);

        }

    }

}