10. Cube Properties

using System;

namespace _10._Cube_Properties
{
    class CubeProperties
    {
        static void Main(string[] args)
        {
            double n = double.Parse(Console.ReadLine());
            string output = Console.ReadLine();
            double result = 0.0;

            switch (output)
            {
                case "face": result = GetFace(n);
                    break;
                case "space": result = GetSpase(n);
                    break;
                case "volume": result = GetVolume(n);
                    break;
                case "area": result = GetArea(n);
                    break;

                default:
                    break;
            }
            Console.WriteLine($"{result:f2}");
        }

        private static double GetArea(double n)
        {
            double result = 6 * n * n;
            return result;
        }

        private static double GetVolume(double n)
        {
            double result = n * n * n;
            return result;
        }

        private static double GetSpase(double n)
        {
            double result = Math.Sqrt(3 * n * n);
            return result;
        }

        private static double GetFace(double n)
        {
            double result = Math.Sqrt(2 * n * n);
            return result;
        }
    }
}