package pfRetake28Oct_1;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class ChatLogger {
    public static void main(String[] args) throws IOException {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        List<String> chat = new ArrayList<>();
        while (true) {
            String input = reader.readLine();
            if (input.equals("end")) {
                break;
            }

            String[] tokens = input.split("\\s+");
            String cmd = tokens[0];
            if (cmd.equals("Chat")) {
                chat.add(tokens[1]);
            } else if (cmd.equals("Edit")) {
                int index = chat.indexOf(tokens[1]);
                chat.set(index, tokens[2]);
            } else if (cmd.equals("Delete")) {
                chat.remove(tokens[1]);
            } else if (cmd.equals("Pin")){
                chat.remove(tokens[1]);
                chat.add(tokens[1]);
            } else if (cmd.equals("Spam")){
                for (int i = 1; i < tokens.length; i++) {
                    chat.add(tokens[i]);
                }
            }


        }

        chat.forEach(System.out::println);

    }
}