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

namespace _11.Dragon_Army
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            var newdragon = new List<Dragon>();
            List<string> types = new List<string>();
            for (int i = 0; i < n; i++)
            {
                string[] dragon = Console.ReadLine().Split(' ').ToArray();
                string type = dragon[0];
                string name = dragon[1];
                int damage = dragon[2] != "null" ? int.Parse(dragon[2]) : 45;
                int health = dragon[3] != "null" ? int.Parse(dragon[3]) : 250;
                int armor = dragon[4] != "null" ? int.Parse(dragon[4]) : 10;

                //if (!newdragon.Any(x => x.Name == name && x.Type == type))
                //{
                //    newdragon.Add(new Dragon(name, type, damage, health, armor));
                //    types.Add(type);
                //}
                //else
                //{
                //    Dragon oldDragon = newdragon.Where(x => x.Name == name && x.Type == type).First();
                //    oldDragon.Damage = damage;
                //    oldDragon.Health = health;
                //    oldDragon.Armor = armor;
                //}

                //another option - just one pass through the list
                Dragon oldDragon = newdragon.Find(x => x.Name == name && x.Type == type);
                if (oldDragon == null)
                {
                    newdragon.Add(new Dragon(name, type, damage, health, armor));
                    types.Add(type);
                }
                else
                {
                    oldDragon.Damage = damage;
                    oldDragon.Health = health;
                    oldDragon.Armor = armor;
                }
            }
            types = types.Distinct().ToList();
            foreach (var type in types)
            {
                var dragons = newdragon.Where(x => x.Type == type).OrderBy(x => x.Name);
                var averageStr = dragons.Average(x => x.Damage);
                var averageHealth = dragons.Average(x => x.Health);
                var averageArmor = dragons.Average(x => x.Armor);
                Console.WriteLine($"{type}::({averageStr:f2}/{averageHealth:f2}/{averageArmor:f2})");

                foreach (var dragon in dragons)
                {
                    Console.WriteLine($"-{dragon.Name} -> damage: {dragon.Damage}, health: {dragon.Health}, armor: {dragon.Armor}");
                }

            }
        }
    }
    class Dragon
    {
        public string Type { get; set; }
        public string Name { get; set; }
        public int Damage { get; set; }
        public int Health { get; set; }
        public int Armor { get; set; }
        public Dragon(string name, string type, int damage, int health, int armor)
        {
            Type = type;
            Name = name;
            Damage = damage;
            Health = health;
            Armor = armor;
        }
    }
}