import java.util.Scanner;
import java.util.*;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        int n=scanner.nextInt();
        scanner.nextLine();//消除换行符
        List<String> words=new ArrayList<>();
        for (int i=0;i<n;i++){
            words.add(scanner.nextLine());
        }
        Collections.sort(words);
        for (String word:words){
            System.out.println(word);
        }
    }
}