using System;
using System.Collections;

    
public class Test
{
	public static void Main()
	{
		new CrazyAdd {
			{1,2,3},
			{4,5,6}
		};	
	}

	class CrazyAdd : IEnumerable
	{
		public void Add(int x, int y, int z)
		{
			Console.WriteLine(x + y + z);
		}

		public IEnumerator GetEnumerator() { throw new NotImplementedException(); }
	}
}