while (true) {
                    String message;
                    //something --> mensagem a receber e analisar

                    System.out.print("\nType login or register\n> ");
                    a = reader.readLine();
                    if (a.equals("login")) {
                        System.out.print("\nWhat is your username?\n> ");
                        name = reader.readLine();
                        System.out.print("\nWhat is your password?\n> ");
                        password = reader.readLine();

                        String look = "select username from utilizador where username ='" + name + "';";
                        ResultSet res = stmt.executeQuery(look);

                        if (!res.next()) {
                            System.out.println("Wrong information, try again");
                            continue;
                        }
                        else {
                            System.out.println("\nStatus Logged | Welcome back to DropMusic");
                            break;
                        }
                    }
                    else if (a.equals("register")) {
                        System.out.print("\nWhat is your username?\n> ");
                        name = reader.readLine();
                        System.out.print("\nWhat is your password? \n> ");
                        password = reader.readLine();
                        String look = "select username from utilizador where username ='" + name + "';";
                        ResultSet res = stmt.executeQuery(look);

                        if (res.next()) {
                            System.out.println("Username already exists, try again");
                            continue;
                        }
                        else {
                            String query = "INSERT INTO public.utilizador(\n" +
                                    "\tusername, password)\n" +
                                    "\tVALUES ('" + name + "', '" + password + "');";
                            stmt.executeUpdate(query);

                            String query2 = "INSERT INTO public.nao_editor(\n" +
                                    "\tutilizador_username)\n" +
                                    "\tVALUES ('"+name+"');";
                            stmt.executeUpdate(query2);

                            System.out.println("\nStatus Subscribed | Welcome to DropMusic");
                            break;
                        }
                    }
                    else {
                        System.out.println("Something went wrong, try again");
                        continue;
                    }
                }