static void Main(string[] args)
{
string[] input = Console.ReadLine().Split();
double pricePerDay = double.Parse(input[0]);
int numberOfDays = int.Parse(input[1]);
string season = input[2];
string typeOfDiscount = "None";
var currentSeason = Enum.Parse(typeof(Season), season);
if (input.Length == 4)
{
typeOfDiscount = input[3];
}
var currentDiscount = Enum.Parse(typeof(Discount), typeOfDiscount);
double totalPrice = PriceCalculator
.GetTotalPrice(pricePerDay, numberOfDays, (Season)currentSeason, (Discount)currentDiscount);
Console.WriteLine($"{totalPrice:F2}");
}