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

namespace Exercise11
{

    class Dragons
    {
        public string Name { get; set; }
        public decimal Damage { get; set; } = 45;
        public decimal Health { get; set; } = 250;
        public decimal Armor { get; set; } = 10;

    }

    class Program
    {
        static void Main(string[] args)
        {


            int n = int.Parse(Console.ReadLine());
            var dragons = new Dictionary<string, List<Dragons>>();


            for (int i = 0; i < n; i++)
            {
                var dragonsList = new List<Dragons>();

                var dragonAttr = Console.ReadLine().Split(' ');
                var type = dragonAttr[0];
                var drag = new Dragons();
                string name = dragonAttr[1];
                decimal damage = 0;
                decimal hp = 0;
                decimal armor = 0;
                if (dragonAttr[2] == "null")
                {
                    damage = drag.Damage;
                }
                else
                {
                    damage = decimal.Parse(dragonAttr[2]);
                }
                if (dragonAttr[3] == "null")
                {
                    hp = drag.Health;
                }
                else
                {
                    hp = decimal.Parse(dragonAttr[3]);
                }
                if (dragonAttr[4] == "null")
                {
                    armor = drag.Armor;
                }
                else
                {
                    armor = decimal.Parse(dragonAttr[4]);
                }


                var currentDragon = ReadDragons(name, damage, hp, armor);
                dragonsList.Add(currentDragon);

                if (!dragons.ContainsKey(type))
                {

                    dragons.Add(type, dragonsList);
                }
                else
                {
                    if (!dragons[type].Contains(dragonsList.Contains(name)))
                    {
                        dragons[type].Add(currentDragon);
                    }
                    else
                    {
                        dragonsList.Add(currentDragon);
                        dragons[type] = dragonsList;
                    }
                }

            }
            foreach (var item in dragons)
            {

                Console.WriteLine($"{item.Key}::({item.Value.Average(x => x.Damage):F2}/{item.Value.Average(x => x.Health):F2}/{item.Value.Average(x => x.Armor):F2})");
                foreach (var drake in item.Value.OrderBy(x => x.Name))
                {
                    Console.WriteLine($"-{drake.Name} -> damage: {drake.Damage}, health: {drake.Health}, armor: {drake.Armor}");
                }
            }
        }

        static Dragons ReadDragons(string name, decimal damage, decimal hp, decimal armor)
        {

            return new Dragons
            {
                Name = name,
                Damage = damage,
                Health = hp,
                Armor = armor
            };
        }

    }
}