#15

        static void Main(string[] args)
        {
            string passwordInput;
            string correctPassword = "12345";
            int countAttemp = 3;

            for(int i = 0; i < countAttemp; i++)
            {
                Console.Write("Введите пароль: ");
                passwordInput = Console.ReadLine();

                if(passwordInput == correctPassword)
                {
                    Console.WriteLine("Секретики!");
                    break;
                }
            }
         }