using System;
using System.Collections.Generic;

public class Test
{
	public static void Main()
	{
		Hoge(1);
		Hoge(2);
		Hoge(3);
	}
	
	private static void Hoge(int n)
	{
		var commands = new List<Action>();
		Action commandAorB = () => Console.WriteLine("\t1 or 2.");
		
		if (n == 1) {
			commands.Add(() => Console.WriteLine("\t1."));
			commands.Add(commandAorB);
		} else if (n == 2) {
			commands.Add(() => Console.WriteLine("\t2."));
			commands.Add(commandAorB);
		} else {
			commands.Add(() => Console.WriteLine("\totherwise."));
		}
		
		Console.WriteLine("argument = " + n);
		foreach (var command in commands) {
			command();
		}
	}
}