Judge Invalid

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);

        double digit = Double.parseDouble(scan.nextLine());
        String input = scan.nextLine();
        String output = scan.nextLine();

        switch (input) {
            case "mm" -> digit = digit / 1000;
            case "cm" -> digit = digit / 100;
        }
        digit = switch (output) {
            case "mm" -> digit * 1000;
            case "cm" -> digit * 100;
            case "m" -> digit * 1;
            default -> digit;
        };
        System.out.printf("%.3f", digit);
    }