using System;

public class Program

{

    public static void Main()

    {

         string[] usernames = { "angel17", "cardod", "johnnys" };

            string[] passwords = { "ang123", "probin", "ph" };

            int attempt = 1;

        do{

        Console.Write("Enter username: ");

            string uname = Console.ReadLine();

            Console.Write("Enter password: ");

            string pass = Console.ReadLine();

​

            bool userFound = false;

            int foundIndex = -1;

            for(int i=0; i<usernames.Length;i++)

            {

                if (uname == usernames[i])

                {

                    userFound = true;

                    foundIndex = i;

                    break;

                }

            }

​

            if(userFound && pass == passwords[foundIndex])

                Console.WriteLine("Logged in successfully");

            else{

                attempt++;

                Console.WriteLine("Invalid userName and/or password");

                if(attempt > 3 ){

                Console.WriteLine("Comback Tommorow");

                break;

                }

            }

        }while(attempt <= 3);

    }

}