using System;

public class Program

{

    public static void Main()

    {

        string[] pilotos = new string[4] { "Ayrton Senna", "Michael Schumacher", "Lewis Hamilton", "Alain Prost" };

        Console.WriteLine(pilotos[3]);

        Console.WriteLine();

        pilotos[3] = "Rubens Barrichello";

        foreach (string piloto in pilotos)

        {

           Console.WriteLine(piloto);

        }

​

    }

}