using System;

public class Program

{

    public static void Main()

    {

        int[]A= new int[]{10,20,30,40};

        int[]B= new int[]{50,60,70,80};

        int[]C= new int[8];

        for (int i = 0; i < 4; i++)

        {

        C[i] = A[i];

​

        C[i+4] = B[i];  

        }

        Console.WriteLine(""); //para hacer espacios

        for(int i = 0; i < 8; i++)

        {

            Console.Write(C[i]+",");

        }

​

    }

}