using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _1._4.List_of_Products
{
    class Program
    {
        static void Main()
        {
            int number = int.Parse(Console.ReadLine());

            List<string> sortedOrders = new List<string>();
            
            for (int i = 0; i < number; i++)
            {
                string order = Console.ReadLine();
                sortedOrders.Add(order);
            }
            sortedOrders.Sort();

            for (int i = 0; i < sortedOrders.Count; i++)
            {
                Console.WriteLine($"{i + 1}.{sortedOrders[i]}");
            }
            
        }
    }
}