Transport Price

            double km = double.Parse(Console.ReadLine());
            var денонощие  = Console.ReadLine();
            double prise = 1.00;
            double TaxiDay = 0.79;
            double TaxiNight = 0.90;
            double OneTax = 0.70;
            double BusTax = 0.09;
            double TrainTax = 0.06;

            if ( km < 20)
            {
                if (денонощие =="day")
                {
                    Console.WriteLine((prise * TaxiDay) * (km) + OneTax);
                }
                else if (денонощие == "night")
                {
                    Console.WriteLine((prise * TaxiNight) * (km) + OneTax);
                }
            }

            else if ( km < 100) {Console.WriteLine((prise * BusTax) * (km));}

            else if ( km >= 100) {Console.WriteLine((prise * TrainTax) * (km));}