import java.util.Scanner;
import java.util.Arrays;
public class Main {
    public static void main(String[] args) {
        Scanner sc  = new Scanner(System.in);
        int n = sc.nextInt();
        sc.nextLine();
        String[] str = new String[n];
        for(int i = 0;i<n;i++){
            str[i] = sc.nextLine();
        }
        Arrays.sort(str);
        for(int i = 0;i<n;i++){
            System.out.println(str[i]);
        }
    }
}