int numGuests = int.Parse(Console.ReadLine());
            string type = Console.ReadLine();
            string day = Console.ReadLine();

            decimal sum = 0;

            if (type == "Students")
            {
                if (day == "Friday")
                {
                    sum = 8.45M;
                }
                else if (day == "Saturday")
                {
                    sum = 9.80M;
                }
                else if (day == "Sunday")
                {
                    sum = 10.46M;
                }
            }

            else if (type == "Business")
            {
                if (day == "Friday")
                {
                    sum = 10.90M;
                }
                else if (day == "Saturday")
                {
                    sum = 15.60M;
                }
                else if (day == "Sunday")
                {
                    sum = 16M;
                }
                if (type == "Business" && numGuests >= 100)
                {
                    numGuests -= 10;
                }
            }
            else if (type == "Regular")
            {
                if (day == "Friday")
                {
                    sum = 15M;
                }
                else if (day == "Saturday")
                {
                    sum = 20M;
                }
                else if (day == "Sunday")
                {
                    sum = 22.50M;
                }
            }
            sum = sum * numGuests;
            if (type == "Students" && numGuests >= 30)
            {
                sum = sum * 0.85M;
            }

            if (type == "Regular" && numGuests >= 10 && numGuests <= 20)
            {
                sum = sum * 0.95M;
            }

            Console.WriteLine($"Total price: {sum:f2}");