using System;

public class Program

{

    public static void Main()

    {

        // declare and initialize in one step

        int[] pi = {1, 4, 1, 5, 9, 2, 6, 5, 3, 5};

        int[,] numbers = { {1, 4, 1, 5, 9}, {2, 6, 5, 3, 5} };

        // let's print the elements of the array

        int index=0;

        while (index < pi.Length)

        {

            Console.WriteLine("This element is: " + pi[index]);

            index++;

        }

        foreach (int i in numbers)

        {

           System.Console.WriteLine(i);

        }

        // Now you print the elements using a For Loop

    }

}