using System;

namespace TestApps
{
    class Program
    {
        static void Main(string[] args)
        {
            int hrizantema = int.Parse(Console.ReadLine());
            int roses = int.Parse(Console.ReadLine());
            int tulips = int.Parse(Console.ReadLine());

            string season = Console.ReadLine();
            string isWeekDay = Console.ReadLine();
            int totalFlowers = hrizantema + roses + tulips;

            double totalHrizantema = 0;
            double totalRoses = 0;
            double totalTulips = 0;
            double totalSum = 0;


            if ((season == "Spring") || (season == "Summer"))
            {
                totalHrizantema += (hrizantema * 2.00);
                totalRoses += (roses * 4.10);
                totalTulips += (tulips * 2.50);
                totalSum = (totalHrizantema + totalRoses + totalTulips);

                if (isWeekDay == "Y")
                {
                    totalSum *= 1.15;
                }
                if (season == "Spring" && tulips > 7)
                {
                    totalSum *= 0.95;
                }
                if (totalFlowers > 20)
                {
                    totalSum *= 0.80;
                }
                totalSum += 2;

            }
           else if ((season == "Autumn") || (season == "Winter"))
            {
                totalHrizantema += (hrizantema * 3.75);
                totalTulips += (tulips * 4.5);
                totalRoses += (roses * 4.15);
                totalSum = (totalHrizantema + totalTulips + totalRoses);

                if (isWeekDay == "Y")
                {
                    totalSum *= 1.15;
                }
                if (season == "Winter" && roses >= 10)
                {
                    totalSum *= 0.90;
                }
                if (totalFlowers > 20)
                {
                    totalSum *= 0.80;
                }
                totalSum += 2;
            }

            Console.WriteLine($"{totalSum:f2}");

        }
    }
}