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

namespace task_12
{
    class Program
    {
        static void Main(string[] args)
        {
            int n = int.Parse(Console.ReadLine());
            List<DragonType> ListOfDragonTypes = new List<DragonType>();
            List<DragonType> UpgradedList = new List<DragonType>();
            for (int i = 0; i < n; i++)
            {
                Dragon newDragon = ReadInput();
                bool newDragonType = true;

                for (int j = 0; j < ListOfDragonTypes.Count; j++)
                {
                    if (ListOfDragonTypes.ElementAt(j).typeName == newDragon.Type)
                    {
                        UpgradedList = UpgradingListOfDragonType(ListOfDragonTypes, ListOfDragonTypes.ElementAt(j), newDragon);
                        ListOfDragonTypes = UpgradedList;
                        newDragonType = false;
                    }
                }

                if (newDragonType)
                {
                    ListOfDragonTypes = AddNewDragonType(ListOfDragonTypes, newDragon);
                }
            }
            PrintTheResult(ListOfDragonTypes);
        }

        static void PrintTheResult(List<DragonType> finalList)
        {
            foreach (DragonType item in finalList)
            {
                string type = item.typeName;
                double avrDamage = item.SetAvrDamage(item.ListOfDragons);
                double avrHealth = item.SetAvrHealth(item.ListOfDragons);
                double avrArmor = item.SetAvrArmor(item.ListOfDragons);
                Console.WriteLine("{0}::({1:f2}/{2:f2}/{3:f2})", type, avrDamage, avrHealth, avrArmor);
                List<Dragon> currentDragons = item.ListOfDragons;
                currentDragons = SortAlpha(currentDragons);
                foreach (Dragon dragon in currentDragons)
                {
                    string dragonName = dragon.Name;
                    long dragonDamage = dragon.GetDamage();
                    long dragonHealth = dragon.GetHealth();
                    long dragonArmor = dragon.GetArmor();
                    Console.WriteLine("-{0} -> damage: {1}, health: {2}, armor: {3}", dragonName, dragonDamage, dragonHealth, dragonArmor);
                }
            }
        }

        static List<Dragon> SortAlpha(List<Dragon> listToSort)
        {
            List<Dragon> sortedList = new List<Dragon>();
            sortedList = listToSort.OrderBy(o => o.Name).ToList();
            return sortedList;
        }

        static List<DragonType> UpgradingListOfDragonType(List<DragonType> ListToBeUpgraded, DragonType TypeToBeUpgraded, Dragon newDragon)
        {
            for (int i = 0; i < ListToBeUpgraded.Count; i++)
            {
                if (ListToBeUpgraded.ElementAt(i) == TypeToBeUpgraded)
                {
                    ListToBeUpgraded.ElementAt(i).ListOfDragons.Add(newDragon);
                }
            }
            return ListToBeUpgraded;
        }

        static List<DragonType> AddNewDragonType(List<DragonType> listOfDragonTypes, Dragon addedNewDragon)
        {
            DragonType newType = new DragonType(addedNewDragon.Type);
            newType.ListOfDragons.Add(addedNewDragon);
            listOfDragonTypes.Add(newType);
            return listOfDragonTypes;
        }

        static Dragon ReadInput()
        {
            string[] input = Console.ReadLine().Split(' ').ToArray();
            if (input[2] == "null")
            {
                input[2] = "45";
            }
            if (input[3] == "null")
            {
                input[3] = "250";
            }
            if (input[4] == "null")
            {
                input[4] = "10";
            }
            Dragon NewDragon = new Dragon();
            NewDragon.Name = input[1];
            NewDragon.Type = input[0];
            NewDragon.SetDamage(long.Parse(input[2]));
            NewDragon.SetHealth(long.Parse(input[3]));
            NewDragon.SetArmor(long.Parse(input[4]));
            return NewDragon;
        }
    }
    class Dragon
    {
        public string Type { get; set; }
        public string Name { get; set; }
        private long damage = 45;
        private long health = 250;
        private long armor = 10;

        public long GetDamage()
        {
            return damage;
        }

        public long GetHealth()
        {
            return health;
        }

        public long GetArmor()
        {
            return armor;
        }

        public long SetDamage(long Damage)
        {
            this.damage = Damage;
            return Damage;
        }

        public long SetHealth(long Health)
        {
            this.health = Health;
            return Health;
        }

        public long SetArmor(long Armor)
        {
            this.armor = Armor;
            return Armor;
        }
    }

    class DragonType
    {
        public DragonType(string TypeName)
        {
            this.typeName = TypeName;
        }
        public List<Dragon> ListOfDragons = new List<Dragon>();
        public string typeName;
        private double avrDamage;
        private double avrHealth;
        private double avrArmor;

        public double GetAvrDamage()
        {
            return avrArmor;
        }

        public double GetAvrHealth()
        {
            return avrHealth;
        }

        public double GetAvrArmor()
        {
            return avrArmor;
        }

        public double SetAvrDamage(List<Dragon> listOfDragons)
        {
            double sum = 0;
            foreach (Dragon item in listOfDragons)
            {
                sum += item.GetDamage();
            }
            this.avrDamage = sum / listOfDragons.Count;
            return avrDamage;
        }

        public double SetAvrHealth(List<Dragon> listOfDragons)
        {
            double sum = 0;
            foreach (Dragon item in listOfDragons)
            {
                sum += item.GetHealth();
            }
            this.avrHealth = sum / listOfDragons.Count;
            return avrHealth;
        }

        public double SetAvrArmor(List<Dragon> listOfDragons)
        {
            double sum = 0;
            foreach (Dragon item in listOfDragons)
            {
                sum += item.GetArmor();
            }
            this.avrArmor = sum / listOfDragons.Count;
            return avrArmor;
        }

    }
}