using System;

​

public class Program

{

    public static void Main()

    {

        // Declare the array of two elements: 

        int[][] arr = new int[2][];

​

        // Initialize the elements:

        arr[0] = new int[5] { 1, 3, 5, 7, 9 };

        arr[1] = new int[4] { 2, 4, 6, 8 };

​

        // Display the array elements: 

        for (int i = 0; i < arr.Length; i++)

        {

            System.Console.Write("Element({0}): ", i);

​

            for (int j = 0; j < arr[i].Length; j++)

            {

                System.Console.Write("{0}{1}", arr[i][j], j == (arr[i].Length - 1) ? "" : " ");

            }

            System.Console.WriteLine();            

        }

    }

}