using System;

public class Program

{

    public static void Main()

    {

        int LoginAttempts = 0;

        string[] account = {"bsgabon19","gabs123"};

        for (int i =0; i < 3;i++)

        {

            Console.Write("\nEnter username: ");

            string username = Console.ReadLine();

            Console.Write("Enter password: ");

            string password = Console.ReadLine();

            if (username != account[0] || password != account[1])

            {

                Console.WriteLine("Invalid username/password");

                LoginAttempts++;

            }

            else

                break;

            }

        if (LoginAttempts > 2)

            Console.WriteLine("Come Back Tomorrow");

        else

            Console.WriteLine("You have successfully logged in.");

    }

}