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

class CottageScraper
{
    static void Main()
    {
        var productsAndPrices = new Dictionary<string, List<int>>();

        var logsCount = 0;
        var typeLog = string.Empty;

        while (true)
        {
            var inputLine = Console.ReadLine();

            if (inputLine == "chop chop")
            {
                inputLine = Console.ReadLine();
                typeLog = inputLine;

                inputLine = Console.ReadLine();
                logsCount = int.Parse(inputLine);
                break;
            }

            var tokens = inputLine.Split(' ');

            var log = tokens[0];
            var count = int.Parse(tokens[2]);

            if (! productsAndPrices.ContainsKey(log))
            {
                productsAndPrices[log] = new List<int>();
            }

            productsAndPrices[log].Add(count);

        }

        decimal usedLogs = 0;
        decimal unusedLogs = 0;
        decimal allLogs = 0;

        foreach (var kvp in productsAndPrices)
        {
            if (kvp.Key == typeLog)
            {
                foreach (var count in kvp.Value)
                {
                    if (count > logsCount)
                    {
                        usedLogs += count;
                        allLogs++;
                    }
                    else
                    {
                        unusedLogs += count;
                        allLogs++;
                    }
                }
            }
        }

        foreach (var kvp in productsAndPrices)
        {
            if (kvp.Key != typeLog)
            {
                foreach (var count in kvp.Value)
                {
                    unusedLogs += count;
                    allLogs++;
                }
            }
        }

        decimal pricePerMeter = Math.Round(((decimal)usedLogs + unusedLogs) / allLogs, 2);
        decimal usedLogsPrice = Math.Round(usedLogs * pricePerMeter, 2);
        decimal unusedLogsPrice = Math.Round((unusedLogs * pricePerMeter) * 0.25m, 2);
        decimal subtotal = Math.Round(usedLogsPrice + unusedLogsPrice, 2);

        Console.WriteLine($"Price per meter: ${pricePerMeter}");
        Console.WriteLine($"Used logs price: ${usedLogsPrice}");
        Console.WriteLine($"Unused logs price: ${unusedLogsPrice}");
        Console.WriteLine($"CottageScraper subtotal: ${subtotal}");
    }
}