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 aOnlyNumbers = numbersA.Except(numbersB);

        Console.WriteLine("Numbers in first array but not second array:");

        foreach (var n in aOnlyNumbers)

        {

            Console.WriteLine(n.ToString());

        }

    }

}