package MidExam10072021;

import java.util.*;
import java.util.stream.Collectors;


public class Problem03 {

    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        List<String> products = getStringList(scanner);

        String input = scanner.nextLine();

        while (!input.equals("Shop!")) {

            String[] commands = input.split("%");

            String action = commands[0];
            String product = commands[1];


            switch (action) {

                case "Important":

                    products.remove(product);
                    products.add(0, product);


                    break;

                case "Add":

                    if (products.contains(product)) {

                        System.out.println("The product is already in the list.");
                    } else {

                        products.add(product);
                    }

                    break;

                case "Swap":


                    String productToSwap = commands[2];


                    if (products.contains(product) && products.contains(productToSwap)) {

                        Collections.swap(products, products.indexOf(product), products.indexOf(productToSwap));

                    } else {

                        if (products.contains(product)) {

                            System.out.println("Product " + productToSwap + " missing!");
                        } else if (products.contains(productToSwap)) {

                            System.out.println("Product" + product + " missing");
                        }

                    }

                    break;

                case "Remove":

                    if (products.contains(product)) {

                        products.remove(product);

                    } else {

                        System.out.println("Product isn't in the list.");
                    }

                    break;

                case "Reversed":

                    Collections.reverse(products);

                    break;

            }

            input = scanner.nextLine();

        }


        int count = 1;
        for (String product :
                products) {

            System.out.println(count + ". " + product);
            count++;
        }


    }


    private static List<String> getStringList(Scanner scanner) {

        return Arrays.stream(scanner.nextLine().split("\\|")).collect(Collectors.toList());
    }


}