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

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

namespace Problem1
{
    class Problem1
    {
        static void Main()
        {
            int albumsEU = int.Parse(Console.ReadLine());
            decimal priceEU = decimal.Parse(Console.ReadLine());
            int albumsNA = int.Parse(Console.ReadLine());
            decimal priceNA = decimal.Parse(Console.ReadLine());
            int albumsSA = int.Parse(Console.ReadLine());
            decimal priceSA = decimal.Parse(Console.ReadLine());
            int concerts = int.Parse(Console.ReadLine());
            decimal priceConcert = decimal.Parse(Console.ReadLine());

            decimal priceEUleva = priceEU * 1.94m;
            decimal priceNAleva = priceNA * 1.72m;
            decimal priceSAleva = priceSA / 332.74m;
            decimal concertLeva = priceConcert * 1.94m;

            decimal totalAlbums = albumsEU * priceEUleva + albumsNA * priceNAleva + albumsSA * priceSAleva;

            decimal withoutProducerProfit = totalAlbums - totalAlbums * 0.35m;
            decimal afterTaxes = withoutProducerProfit - withoutProducerProfit * 0.20m;

            decimal concertProfit = concertLeva * concerts;

            if (concertProfit > 100000)
            {
                concertProfit = concertProfit - concertProfit*0.15m;

            }

            if (afterTaxes > concertProfit)
            {
                Console.WriteLine("Let's record some songs! They'll bring us {0:F2}lv.",afterTaxes);
            }
            else
            {
                Console.WriteLine("On the road again! We'll see the world and earn {0:F2}lv.",concertProfit);
            }

        }
    }
}