using System;
using System.Collections.Generic;
using System.Linq;

namespace CottageScrapper
{
    class Program
    {
        static void Main(string[] args)
        {
            string input = Console.ReadLine();
            var Trees = new Dictionary<string, List<double>>();
            var Used = new List<double>();
            var unUsed = new List<double>();
            while (input != "chop chop")
            {
                string[] inputTokens = input
                    .Split(new string[] { " -> " }, StringSplitOptions.RemoveEmptyEntries);
                //Count++;
                if (!Trees.ContainsKey(inputTokens[0]))
                {
                    Trees.Add(inputTokens[0], new List<double>());
                }
                Trees[inputTokens[0]].Add(double.Parse(inputTokens[1]));
                input = Console.ReadLine();

            }

            string NeededType = Console.ReadLine();
            double NeededHeight = double.Parse(Console.ReadLine());
            //foreach (var log in Trees)
            //{
            //    if (log.Key == NeededType)
            //    {
            //        for (int i = 0; i < log.Value.Count; i++)
            //        {
            //            if (log.Value[i] >= NeededHeight)
            //            {
            //                Used.Add(log.Value[i]);
            //            }
            //            else
            //            {
            //                unUsed.Add(log.Value[i]);
            //            }
            //        }
            //    }
            //    else
            //    {
            //        unUsed.AddRange(log.Value);
            //    }
            //}

            /*понеже задачите са от ламда и линку ти предлагам следното решение*/
            double count = Trees.Values.Sum(x => x.Count);
            double pplm = Math.Round(Trees.Values.Sum(x => x.Sum()) / count, 2);

            var used = Math.Round(Trees[NeededType].Where(x => x >= NeededHeight).Sum() * pplm, 2);

            var unused = Math.Round((Trees.Values.Sum(x => x.Sum())
                - Trees[NeededType].Where(x => x >= NeededHeight).Sum()) * pplm * 0.25, 2);

            Console.WriteLine("Price per meter: ${0:0.00}", pplm);
            Console.WriteLine("Used logs price: ${0:0.00}", used);
            Console.WriteLine("Unused logs price: ${0:0.00}", unused);
            Console.WriteLine("CottageScraper subtotal: ${0:0.00}", used + unused);
        }
    }
}