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

public class Roster {
    public static void main(String args[]) {
        Scanner in = new Scanner(System.in);
        ArrayList<String> roster = new ArrayList<>();

        // read them all in
        String name = in.nextLine();
        while (name.length() != 0) {
            roster.add (name);
            name = in.nextLine();
        }

        // sort them all
        Collections.sort(roster, String.CASE_INSENSITIVE_ORDER);

        // transform from "Smith, Anne" to "Anne Smith"
        for (int i = 0; i < roster.size(); i++) {
            int comma = roster.get(i).indexOf(",");
            String lname = roster.get(i).substring(0, comma);
            String fname = roster.get(i).substring(comma + 2);
            roster.set(i, fname + " " + lname);
        }

        // print them out
        int i = 1;
        for (String n : roster) {
            System.out.println(i + ". " + n);
            i++;
        }
    }
}