using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("float 0.5");

        Console.WriteLine(Math.Round(0.1f + 0.2f + 0.2f));

        Console.WriteLine(Math.Round(0.5f));

        Console.WriteLine("");

        Console.WriteLine("decimal 0.5");

        Console.WriteLine(Math.Round(0.1M + 0.2M + 0.2M));

        Console.WriteLine(Math.Round(0.5M));

        Console.WriteLine("");

        Console.WriteLine("float 1.5");

        Console.WriteLine(Math.Round(2.3f - 0.8f));

        Console.WriteLine(Math.Round(1.5f));

        Console.WriteLine("");

        Console.WriteLine("decimal 1.5");

        Console.WriteLine(Math.Round(2.3M - 0.8M));

        Console.WriteLine(Math.Round(1.5M));

    }

}