Dragon Army

using System;
using System.Collections.Generic;
using System.Linq;

class DragonArmy
{
    static void Main(string[] args)
    {
        int count = int.Parse(Console.ReadLine());

        var dragons = new Dictionary<string, Dictionary<string, Dragon>>();

        for (int currentDragon = 0; currentDragon < count; currentDragon++)
        {
            string[] input = Console.ReadLine()
                .Split()
                .ToArray();

            string type = input[0];
            string name = input[1];
            int damage = 45;
            int health = 250;
            int armor = 10;

            try
            {
                damage = int.Parse(input[2]);
            }
            catch (Exception) { }

            try
            {
                health = int.Parse(input[3]);
            }
            catch (Exception) { }

            try
            {
                armor = int.Parse(input[4]);
            }
            catch (Exception) { }

            if (dragons.ContainsKey(type) == false)
            {
                dragons.Add(type, new Dictionary<string, Dragon>());
            }

            if (dragons[type].ContainsKey(name) == false)
            {
                dragons[type].Add(name, new Dragon());
            }

            dragons[type][name].damage = damage;
            dragons[type][name].health = health;
            dragons[type][name].armor = armor;
        }

        foreach (var type in dragons)
        {
            double averageDamage = 1.0 * type.Value.Values.Sum(x => x.damage) / type.Value.Count;
            double averageHealth = 1.0 * type.Value.Values.Sum(x => x.health) / type.Value.Count;
            double averageArmor = 1.0 * type.Value.Values.Sum(x => x.armor) / type.Value.Count;

            Console.WriteLine($"{type.Key}::({averageDamage:F2}/{averageHealth:F2}/{averageArmor:F2})");

            foreach (var name in type.Value.OrderBy(x => x.Key))
            {
                Console.WriteLine($"-{name.Key} -> damage: {name.Value.damage}, health: {name.Value.health}, armor: {name.Value.armor}");
            }
        }
    }
}

class Dragon
{
    public int damage { get; set; }
    public int health { get; set; }
    public int armor { get; set; }
}