Coffee

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

namespace SoftuniCoffee2
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberOfOrders = int.Parse(Console.ReadLine());

            decimal orderPrice = 0;
            for (int i = 0; i < numberOfOrders; i++)
            {
                decimal capsulePrice = decimal.Parse(Console.ReadLine());
                var dateAsText = Console.ReadLine();
                var date = DateTime.ParseExact(dateAsText, "d/M/yyyy", CultureInfo.InvariantCulture);
                int month = (int)date.Month;
                int year = (int)date.Year;
                int days = DateTime.DaysInMonth(year, month);
                decimal capsuleCount = decimal.Parse(Console.ReadLine());
                decimal order = days * capsuleCount * capsulePrice;
                orderPrice += order;
                Console.WriteLine("The price for the coffee is: ${0:F2}", order);
            }
            Console.WriteLine("Total: ${0:F2}", orderPrice);
        }
    }
}