using System;

using System.Linq;

public class Program

{

    public static void Main()

    {

        int[] numbersA = {0, 2, 4, 5, 6, 8, 9};

        int[] numbersB = {1, 3, 5, 7, 8};

​

        var allNumbers = numbersA.Concat(numbersB);

​

        Console.WriteLine("All numbers from both arrays:");

        foreach (var n in allNumbers)

        {

            Console.WriteLine(n);

        }   

    }

}