namespace BookOrders
{
    using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Threading;
    using System.Globalization;
    class BookOrders
    {
        static void Main()
        {
            Thread.CurrentThread.CurrentCulture = CultureInfo.InvariantCulture;

            int n = int.Parse(Console.ReadLine());
            var books = new List<double>();

            for (int i = 0; i < n*3; i++)
            {
                books.Add(double.Parse(Console.ReadLine()));
            }

            double totalBooks = 0;
            double totalPrice = 0;

            for (int i = 0; i < books.Count; i+=3)
            {
                double tempBooks = 0;
                double tempPrice = 0;
                double tempCost = 0;

                tempBooks = books[i] * books[i + 1];
                tempCost = price(books, i, tempCost);

                tempPrice = tempBooks * tempCost;
                totalPrice += tempPrice;
                tempPrice = 0;

                totalBooks += tempBooks;
                tempBooks = 0;
            }

            Console.WriteLine(totalBooks);
            Console.WriteLine("{0:F2}", totalPrice);
            Console.ReadLine();
        }

        private static double price(List<double> books, int i, double tempCost)
        {
            if (books[i] >= 10 && books[i] <= 19)
            {
                tempCost = (double)books[i + 2] - (double)0.5;
            }
            else if (books[i] >= 20 && books[i] <= 29)
            {
                tempCost = (double)books[i + 2] - (double)0.6;
            }
            else if (books[i] >= 30 && books[i] <= 39)
            {
                tempCost = (double)books[i + 2] - (double)0.7;
            }
            else if (books[i] >= 40 && books[i] <= 49)
            {
                tempCost = (double)books[i + 2] - (double)0.8;
            }
            else if (books[i] >= 50 && books[i] <= 59)
            {
                tempCost = (double)books[i + 2] - (double)0.9;
            }
            else if (books[i] >= 60 && books[i] <= 69)
            {
                tempCost = (double)books[i + 2] - (double)1.0;
            }
            else if (books[i] >= 70 && books[i] <= 79)
            {
                tempCost = (double)books[i + 2] - (double)1.1;
            }
            else if (books[i] >= 80 && books[i] <= 89)
            {
                tempCost = (double)books[i + 2] - (double)1.2;
            }
            else if (books[i] >= 90 && books[i] <= 99)
            {
                tempCost = (double)books[i + 2] - (double)1.3;
            }
            else if (books[i] >= 100 && books[i] <= 109)
            {
                tempCost = (double)books[i + 2] - (double)1.4;
            }
            else
            {
                tempCost = (double)books[i + 2] - (double)1.5;
            }
            return tempCost;
        }
    }
}