using System;

using System.Globalization;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(Single.Parse("1,2", CultureInfo.InvariantCulture));

        Console.WriteLine(Single.Parse("1.2", CultureInfo.InvariantCulture));

        float value;

        Console.WriteLine(Single.TryParse("1,2", NumberStyles.Float, CultureInfo.InvariantCulture, out value));

        Console.WriteLine(Single.TryParse("1,2", out value));

        Console.WriteLine(value);

    }

}