using System;

public class Program

{

    public static void Main()

    {

        var array = new string[2]{"A", "456"};

        var secondArray= new string[10]{"A", "456", "45i6", "4o56", "45q6" ,"4a5pr6" ,"4a56" ,"45w6" ,"45d6", "111"};

        Array.BinarySearch()

        Console.WriteLine("Hello World");

    }

}