//Main.java

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package pkg7.pkg8d;

import java.util.Scanner;

public class Main {

    private static final Scanner input = new Scanner(System.in);

    public static void main(String[] args) {

        Turtle turtle = new Turtle();

        String userInput;
        int walkLength;

        do {
            turtle.printCommands();
            userInput = input.nextLine().trim();
            switch (userInput) {
                case "1":
                    turtle.setPenUp();
                    break;
                case "2":
                    turtle.setPenDown();
                    break;
                case "3":
                    turtle.turnRight();
                    break;
                case "4":
                    turtle.turnLeft();
                    break;
                case "6":
                    turtle.printFloor();
                    break;
                case "9":
                    break;
                default:
                    if (userInput.startsWith("5,")) {
                        walkLength = Integer.parseInt(userInput.substring(2));
                        turtle.turtleWalk(walkLength);
                    } else {
                        System.out.println("Invalid choice.");
                    }
            }
        } while (!"9".equals(userInput));

    }
}