03. Flowers

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

namespace Flowers
{
    class Program
    {
        static void Main(string[] args)
        {
            int hrizantemi = int.Parse(Console.ReadLine());
            int rozi = int.Parse(Console.ReadLine());
            int laleta = int.Parse(Console.ReadLine());
            string season = Console.ReadLine().ToLower();
            char praznik = char.Parse(Console.ReadLine());
            double sum = 0;

            if (season == "spring" || season == "summer")
            {
                sum = hrizantemi * 2 + rozi * 4.10 + laleta * 2.50;

                if (praznik == 'Y')
                    sum = sum + 0.15 * sum;

                if (season == "spring" && laleta > 7)
                    sum = sum - 0.05 * sum;
            }

            else if (season == "winter" || season == "autumn")
            {
                sum = hrizantemi * 3.75 + rozi * 4.50 + laleta * 4.15;

                if (praznik == 'Y')
                    sum = sum + 0.15 * sum;

                if (season == "winter" && rozi >= 10)
                    sum = sum - 0.1 * sum;
            }

            if (hrizantemi + rozi + laleta > 20)
                sum = sum - sum * 0.2;

            Console.WriteLine("{0:0.00}", sum+2);
        }
    }
}