using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace BookLibrary

{

    class Program

    {

        static void Main(string[] args)

        {

            int n = int.Parse(Console.ReadLine());

            Dictionary<string, decimal> moneyMade = new Dictionary<string, decimal>();

            for (int i = 0; i < n; i++)

            {

                string[] input = Console.ReadLine().Split(new char[] { ' ' }, StringSplitOptions.RemoveEmptyEntries);

                string nameofAuthor = input[1];

                decimal money = decimal.Parse(input[5]);

                if (!moneyMade.ContainsKey(nameofAuthor))

                {

                    moneyMade.Add(nameofAuthor, 0);

                }

                moneyMade[nameofAuthor] += money;

            }

            foreach (var item in moneyMade.OrderByDescending(x => x.Value).ThenBy(x => x.Key))

            {

                Console.WriteLine(item.Key + " -> " + string.Format("{0:F2}", item.Value));

            }

        }

​

    }

}