using System;
public class Program
{
public static void Main()
int[][] arr=new int[2][];
arr[0]=new int[]{11,21,56,78};
arr[1]=new int[]{42,61,37,41,59,63};
for(int i=0;i<arr.Length;i++)
for(int j=0;j<arr[i].Length;j++)
Console.Write(arr[i][j]+ "");
}
Console.WriteLine("\n");