using System;

public class Program

{

    public static void Main()

    {

        decimal b = Math.Round(20.001M * 100M) / 100M; 

        b = b + .00M; 

        Console.WriteLine(b);

        b = Math.Round(20.001M * 100M) / 100M; 

        b = Decimal.Add(b, .00M);

        Console.WriteLine(b);

    }

}