using System;

public class Program

{

    public static void Main()

    {

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

        arr[0]=new int[5]{1,2,3,4,5};

        arr[1]=new int[4]{6,7,8,9};

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

        {

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

            {

                Console.Write(arr[i][j]+" ");

            }

        }

    }

}