package ArticleProblem;

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

public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        ArrayList<Article> articles = new ArrayList<>();


        int n = Integer.parseInt(scan.nextLine());
       for (int i = 0; i < n; i++) {
            String[] input = scan.nextLine().split(", ");
            String title = input[0];
            String content = input[1];
            String author = input[2];
            Article article = new Article(title,content,author);
            articles.add(article);


            }

        String command = scan.nextLine();
       printResult(command, articles);
    }

    private static void printResult(String command, ArrayList<Article> articles) {
    switch(command){
        case "title":

            articles
                    .stream()
                    .sorted((a1, a2) -> a1.getTitle().compareTo(a2.getTitle()))
                    .forEach(a -> System.out.println(a.toString()));

            break;
        case "content":
            articles
                    .stream()
                    .sorted((a1, a2) -> a1.getContent().compareTo(a2.getContent()))
                    .forEach(a -> System.out.println(a.toString()));
            break;
        case "author":
            articles
                    .stream()
                    .sorted((a1, a2) -> a1.getTitle().compareTo(a2.getTitle()))
                    .forEach((a -> System.out.println(a)));
            break;
    }
    }
}