import java.util.Scanner;

public class Task {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);
        int pos = Integer.parseInt(scanner.nextLine());
        String[] strArray = scanner.nextLine().split(",");
        String input = scanner.nextLine();

        int time = 0;
        String command = "";
        int size = 0;

        long forward = 0;
        long backwards = 0;
        int counter = 1;
        int currentPos = pos;

        int[] array = new int[strArray.length];
        for (int i = 0; i < strArray.length; i++) {
            array[i] = Integer.parseInt(strArray[i]);
        }
        while (!input.equals("exit")) {
            String[] strCommand = input.split(" ");
            time = Integer.parseInt(strCommand[0]);
            command = strCommand[1];
            size = Integer.parseInt(strCommand[2]);
            if (command.equals("forward")) {
                while (counter <= time) {
                    currentPos = currentPos + size;
                    if (currentPos >= array.length) {
                        currentPos = currentPos % array.length;
                    }
                    forward += array[currentPos];
                    counter++;
                }
                counter = 1;
            }
            if (command.equals("backwards")) {
                while (counter <= time) {
                    currentPos = currentPos - size + array.length;
                    if (currentPos < 0 || currentPos >= array.length) {
                        currentPos = Math.abs(currentPos % array.length);
                    }
                    backwards += array[currentPos];
                    counter++;
                }
                counter = 1;
            }
            input = scanner.nextLine();
        }
        System.out.println("Forward: " + forward);
        System.out.println("Backwards: " + backwards);
    }
}