3. Arena Tournament

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

namespace ArenaTournament
{
    class Program
    {
        static void Main(string[] args)
        {
            double pointsAvailable = double.Parse(Console.ReadLine());
            string nameOfTheArena = Console.ReadLine();
            string dayOfWeek = Console.ReadLine();
            string itemType = Console.ReadLine();

            double priceForAllItems = 0;

            switch (itemType)
            {
                case "Poor":
                    priceForAllItems = 7000;
                    break;
                case "Normal":
                    priceForAllItems = 14000;
                    break;
                case "Legendary":
                    priceForAllItems = 21000;
                    break;
            }

            // Apply Discount.
            double discount = 0;

            if (nameOfTheArena == "Nagrand" && (dayOfWeek == "Monday" || dayOfWeek == "Wednesday"))
            {
                discount = 0.05;
            }
            else if (nameOfTheArena == "Gurubashi" && (dayOfWeek == "Tuesday" || dayOfWeek == "Thursday"))
            {
                discount = 0.10;
            }
            else if (nameOfTheArena == "Dire Maul" && (dayOfWeek == "Friday" || dayOfWeek == "Saturday"))
            {
                discount = 0.07;
            }

            priceForAllItems = priceForAllItems - (priceForAllItems * discount);

            // Calculate price for one item after discount.
            double priceForOneItem = priceForAllItems / 5;

            // Try to buy 5 items and count how many succeeded.
            int successfulPurchases = 0;

            for (int item = 1; item <= 5 && pointsAvailable >= priceForOneItem; item++)
            {
                pointsAvailable -= priceForOneItem;
                successfulPurchases++;
            }

            // Print to Console.
            if (successfulPurchases == 5)
            {
                Console.WriteLine($"Items bought: {successfulPurchases}");
                Console.WriteLine($"Arena points left: {pointsAvailable}");
                Console.WriteLine("Success!");
            }
            else
            {
                Console.WriteLine($"Items bought: {successfulPurchases}");
                Console.WriteLine($"Arena points left: {pointsAvailable}");
                Console.WriteLine("Failure!");
            }
        }
    }
}