import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Scanner;

public class SortArrayOfStrings {

    public static void main(String[] args) {
        Scanner input = new Scanner(System.in);
        int n = input.nextInt();
        String town;
        ArrayList<String> ArrayOfTowns = new ArrayList<String>();
        for (int i = 0; i < n; i++) {
            town = input.next();
            ArrayOfTowns.add(town);

        }
        Collections.sort(ArrayOfTowns, String.CASE_INSENSITIVE_ORDER);
        System.out.println();
        for (String towns : ArrayOfTowns) {
            System.out.println(towns);
        }

    }

}