import java.util.Scanner;
import java.util.Vector;
public class SelectionSort {


    public static void sort (Comparable[] array) {
        /*
         * Hier muss Ihr Code rein
         * 
         */
    }

    public static void main (String args[]) {
        Scanner scanner = new Scanner(System.in);
        Vector<String> words = new Vector<String>();
        while (scanner.hasNextLine()) {
            String line = scanner.nextLine();
            words.add(line);
        }
        Comparable [] array = new Comparable[words.size()];
        words.toArray(array);
        sort(array);
        for (int i = 0; i < array.length; i++) {
            System.out.println(array[i]);
        }
    }



}