02. Reservation

using System;

namespace Reservation
{
    class Program
    {
        static void Main(string[] args)
        {
            int reservationDay = int.Parse(Console.ReadLine());
            int reservationMonth = int.Parse(Console.ReadLine());
            int accommodationDay = int.Parse(Console.ReadLine());
            int accommodationMonth = int.Parse(Console.ReadLine());
            int leavingDay = int.Parse(Console.ReadLine());
            int leavingMonth = int.Parse(Console.ReadLine());
            double price = 0;

            double priceForRoom = 0;
            double days = leavingDay - accommodationDay;

            if (accommodationMonth == reservationMonth)
            {
                if (accommodationDay - reservationDay < 10)
                {
                    priceForRoom = 30;
                    price = days * priceForRoom;
                }
                else
                {
                    priceForRoom = 25;
                    price = days * priceForRoom;
                }
            }
            else if (accommodationMonth - reservationMonth == 1)
            {
                priceForRoom = 25;
                price = (days * priceForRoom) - (days * priceForRoom * 0.20);
            }



            Console.WriteLine($"Your stay from {accommodationDay}/{accommodationMonth} to {leavingDay}/{leavingMonth} will cost {price:F2}");

        }
    }
}