namespace UDEMY_SECTION_4
{
    class Program
    {
        static void Main(string[] args)
        {
		Console.WriteLine("Create a username: ");
            string un = Console.ReadLine();
            Console.WriteLine("Create a password: ");
            string pw = Console.ReadLine();
            Console.WriteLine("Enter in username: ");
            string inputUN = Console.ReadLine();
            Console.WriteLine("Enter in password: ");
            string inputPW = Console.ReadLine();

            while (inputUN != un && inputPW != pw)
            {
                    Console.WriteLine("Incorrect username or password. Try again.");
                    Console.WriteLine("Enter in username: ");
                    inputUN = Console.ReadLine();
                    Console.WriteLine("Enter in password: ");
                    inputPW = Console.ReadLine();
                    if (inputUN == un && inputPW == pw)
                    {
                        Console.WriteLine("You are logged in!");
                    }

            }
}