SpringVacationTrip

using System;

namespace SpringVacationTrip
{
    class MainClass
    {
        public static void Main()
        {
            int days = int.Parse(Console.ReadLine());
            double budget = double.Parse(Console.ReadLine());
            int numberOfGroup = int.Parse(Console.ReadLine());
            double priceForFuelPerKm = double.Parse(Console.ReadLine());
            double foodExpensesPerPersonForDay = double.Parse(Console.ReadLine());
            double priceForHotelForOneNightPerPerson = double.Parse(Console.ReadLine());
            double totalFoodExpenses = foodExpensesPerPersonForDay * numberOfGroup * days;
            double totalHotelPrice = days * priceForHotelForOneNightPerPerson*numberOfGroup;
            if (numberOfGroup > 10)
            {
                totalHotelPrice = totalHotelPrice - (0.25 * totalHotelPrice);
            }

            double expenses = totalFoodExpenses + totalHotelPrice;

            for (int i = 1; i <= days; i++)
            {
                double traveledDistanceForCurrentDay = double.Parse(Console.ReadLine());
                double priceForFuelForCurrentDay =(double) traveledDistanceForCurrentDay * priceForFuelPerKm;
                expenses = expenses + priceForFuelForCurrentDay;
                if (i % 3 == 0 || i % 5 == 0)
                {
                    double additionalExpenses = (double) 0.40 * expenses;
                    expenses += additionalExpenses;
                }

                if (i % 7 == 0)
                {
                    double reduceExpensesWith = (double) expenses / numberOfGroup;
                    expenses -= reduceExpensesWith;
                }

                if (expenses > budget)
                {
                    Console.WriteLine($"Not enough money to continue the trip. You need {expenses-budget:F2}$ more.");
                    return;
                }
            }

            Console.WriteLine($"You have reached the destination. You have {budget-expenses:F2}$ budget left.");

         }

       }
    }