using System;

public class Program

{

    public static void Main()

    {

        var a = 105;

        var sizeinB = Convert.ToDouble(a);

        var sizeinKb = sizeinB < 10 ? 0.01 : sizeinB/1000;

        Console.WriteLine(sizeinKb);

        Console.WriteLine(String.Format("{0:0.##}",sizeinKb));

        Console.WriteLine(Math.Round(sizeinKb,2));

    }

}