using System;

public class Program

{

    public static void Main()

    {

        int[] numbers = new int[]{8,9,3,4,5,6,7,8,1,2};

        int target = 6;

        Console.WriteLine(Find(numbers, target));

    }

    static (int?, int?) Find(int[] numbers, int target) {

        return (null, null);

    }

}