///1.3.9.1

using System;

namespace homework
{
	class Program
	{
		public static void Main(string[] args)
		{
			string[][] arr = new string[1][] ;
			arr [0] = new string[] {"1","2","3","4","5",};
			Console.WriteLine(arr[0].Length.ToString());

			for (int i = 0; i<arr[0].Length; i++)
			{
				Console.WriteLine(arr[0][i]);
			}
			Console.ReadKey();
		}

	}
}