using System;

namespace Janka
{
    class MainClass
    {
        public static void Main(string[] args)
        {
            double onwayTicket = double.Parse(Console.ReadLine());
            double backwayTicket = double.Parse(Console.ReadLine());
            double gameTicket = double.Parse(Console.ReadLine());
            double numberGames = double.Parse(Console.ReadLine());
            double discount = double.Parse(Console.ReadLine());

            double ticketsForAll = 6 * (onwayTicket + backwayTicket);
            double discount1 = (ticketsForAll * 15) / 100;
            double afterdiscount = ticketsForAll - discount1;
            double totalSumforbilets = 6 * numberGames * gameTicket;
            double totalSUM = afterdiscount + totalSumforbilets;
            double singlePay = totalSUM / 6;

            Console.WriteLine($"Total sum: {totalSUM:f2} lv.");
            Console.WriteLine($"Each friends has to pay {singlePay:f2} lv.");
        }
    }
}