CrazySam.cs

using System;

class Program{
    static void Main(string[] args){
        if (!args.Any()){
            Console.WriteLine("args is null");
            Environment.Exit(1);
        }else{
			switch(args[0]) {
				case "1":
					Console.WriteLine("hello world!");
					break;
				case "2":
					//some forloop or something
					break;
				case "3":
					//some otehr code bit
					break;
				default:
					Console.WriteLine("that is not a valid code bit number");
					break;
	       }
        }
    }
}