package Actual_Mid_Exam;

import java.util.*;

public class Task2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List<String> shoppingList = new ArrayList<>(Arrays.asList(scanner.nextLine().split("!")));

        String input;

        while (!"Go Shopping!".equals(input = scanner.nextLine())) {

            String[] tokens = input.split(" ");

            switch (tokens[0]) {
                case "Urgent":
                    if (!shoppingList.contains(tokens[1])) {
                        shoppingList.add(0, tokens[1]);
                    }
                    break;
                case "Unnecessary":
                    if (shoppingList.contains(tokens[1])) {
                        shoppingList.remove(tokens[1]);
                    }
                    break;
                case "Correct":
                    if (shoppingList.contains(tokens[1])) {
                        int index = shoppingList.indexOf(tokens[1]);
                        shoppingList.set(index, tokens[2]);
                    }
                    break;
                case "Rearrange":
                    if (shoppingList.contains(tokens[1])) {
                        shoppingList.remove(tokens[1]);
                        shoppingList.add(tokens[1]);
                    }
                    break;
            }
        }
        System.out.println(String.join(", ", shoppingList));
    }
}