12503 Robot Instructions

import java.util.ArrayList;
import java.util.Scanner;

class Another {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int testCases = scanner.nextInt();
        while (testCases-- > 0) {
            int commands = scanner.nextInt();
            int value = 0;
            ArrayList<String> cmnds = new ArrayList<>();
            scanner.nextLine();
            while (commands-- > 0) {
                String command = scanner.nextLine();
                cmnds.add(command);
                while (true) {
                    if (command.equals("LEFT")) {
                        value--;
                        break;
                    } else if (command.equals("RIGHT")) {
                        value++;
                        break;
                    } else {
                        String arr[] = command.split(" ");
                        command = cmnds.get(Integer.parseInt(arr[2])-1);
                    }
                }
            }
            System.out.println(value);
        }
    }


}