using System;

public class Program

{

    public static void Main()

    {

        int[] ages = new int[]{2,4,6};

        Console.WriteLine("{0:D}\n",ages[1]);

        for(int i = 0; i < ages.GetLength(0); i++) {

            Console.WriteLine("i {0:D}\n", ages[i]);

        }

        for(int n = 0; n < 3; n++) {

            Console.WriteLine("n {0:D}\n", ages[n]);

        }

    }

}