using System;

using System.Collections.Generic;

using System.Linq;

public class DragonArmy

{

    public static void Main()

    {

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

        Dictionary<string, Dictionary<string, double[]>> dragons = new Dictionary<string, Dictionary<string, double[]>>();

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

        {

            var currentDragon = Console.ReadLine().Split().ToArray();

            var type = currentDragon[0];

            var name = currentDragon[1];

            double damage = 0;

            double health = 0;

            double armor = 0;

            if (!dragons.ContainsKey(type))

            {

                dragons[type] = new Dictionary<string, double[]>();

            }

            if (! dragons[type].ContainsKey(name))

            {

                dragons[type][name] = new double[3];

            }

            if (currentDragon[2] == "null")

            {

                damage = 45.0;

            }

            else

            {

                damage = double.Parse(currentDragon[2]);

            }

            if (currentDragon[3] == "null")

            {

                health = 250.0;

            }

            else

            {

                health = double.Parse(currentDragon[3]);

            }

            if (currentDragon[4] == "null")

            {

                armor = 10.0;

            }

            else

            {

                armor = double.Parse(currentDragon[4]);

            }

            dragons[type][name][0] = damage;

            dragons[type][name][1] = health;

            dragons[type][name][2] = armor;

        }

        foreach (var dragon in dragons)

        {

            double totalDamage = 0;

            double totalHealth = 0;

            double totalArmor = 0;

            int count = 0;

            foreach (var item in dragon.Value)

            {

                count++;

                totalDamage += item.Value[0];

                totalHealth += item.Value[1];

                totalArmor += item.Value[2];

            }

            Console.Write("{0}::", dragon.Key);

            Console.WriteLine("({0:f2}/{1:f2}/{2:f2})", totalDamage/count, totalHealth/count, totalArmor/count);

            foreach (var state in dragon.Value.OrderBy(k => k.Key))

            {

                Console.WriteLine("-{0} -> damage: {1}, health: {2}, armor: {3}", state.Key, state.Value[0], state.Value[1], state.Value[2]);

            }

        }

    }

}

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