using System;

public class Program

{

    public static void Main()

    {

        var percent = 12.3456789M;

        Console.WriteLine(string.Format("{0:N0}", percent));

        Console.WriteLine(string.Format("{0:N1}", percent));

        Console.WriteLine(string.Format("{0:N2}", percent));

        Console.WriteLine(string.Format("{0:N3}", percent));

        Console.WriteLine(string.Format("{0:N4}", percent));

        Console.WriteLine(string.Format("{0:N5}", percent));

        Console.WriteLine(string.Format("{0:N6}", percent));

    }

}