using System;

public class Program

{

    public static void Main()

    {

        Console.Write("1234567890\n");

        Console.Write("{0,10}\n","ABCD");

        Console.Write("1234567890\n");

        Console.Write("{0,-10}\n","ABCD");

        Console.Write("1234567890\n");

        Console.Write("\t\t\t{0,-10}\n","ABCD");

        Console.Write("1234567890\n");

        Console.Write("result = {0} - {1} - {2}\n", 15,21.5,true);

    }

}