namespace benzin
{
    class Program
    {
        static void Main(string[] args)
        {
            double Price;

            Console.WriteLine("Введите объем");
            int Oil = int.Parse(Console.ReadLine());
            Console.WriteLine("Марка бензина");
            string Type = Console.ReadLine();
           Console.WriteLine("Есть карта? Скидка 10% Y or N");

            string input = Console.ReadLine();
            bool case1 = input.Contains("Y");
            bool case2 = input.Contains("N");



                if (case1)

                if (Type == "92")
                {
                    Price = Oil * 30.92;
                    Console.Write(Price);
                }

                if (Type == "95")
                {
                    Price = Oil * 32.77;
                    Console.Write(Price);
                }

                if (Type == "98")
                {
                    Price = Oil * 36.34;
                    Console.Write(Price);
                }


            else
                {
                    if (Type == "92")
                {
                    Price = ((Oil * 30.92) - (Oil * 30.92)*0.1) ;
                    Console.Write(Price);
                }

                if (Type == "95")
                {
                    Price = ((Oil * 32.77) - (Oil * 32.77)*0.1);
                    Console.Write(Price);
                }

                if (Type == "98")
                {
                    Price =  - ((Oil * 36.34) -(Oil * 36.34)*0.1);
                    Console.Write(Price);
                }



                }

            Console.ReadLine();
        }
    }
}