using System;

public class Program

{

    public static void Main()

    {

        Dictionary<string, int>gamers = new Dictionary<string, int>();

        string input = Console.ReadLine();

        while (input != "END")

        {

        var player = input.Split("   ").ToList();

            string name = player[0];

            int point = int.Parse(player[1]);

            if (!gamers.ContainsKey(name))

            {

                gamers.Add(name, 0);

                }

                gamers[name]+=point;

                input = Console.ReadLine();

                }

                foreach (var gamer in gamers.OrderBy (x=>x.Key))

                {

                    Console.WriteLine($"{gamer.Key} -> {gamer.Value}");

                }

    }

}

​

}