08. Factorial Division

using System;

namespace _08._Factorial_Division
{
    class Program
    {
        static void Main(string[] args)
        {
            double firstNumber = double.Parse(Console.ReadLine());
            double secondNumber = double.Parse(Console.ReadLine());

            double factorielFirstNumber =MakeFactorielFirstNumber(firstNumber);
            double factorielSecondNumber= MakeFactorielSecondNumber(secondNumber);
            DivideFactoriels(factorielFirstNumber, factorielSecondNumber);


        }

        static double MakeFactorielFirstNumber (double firstNumber)
        {
            double faktorielFirstNumber = 1;
            for (int i=1; i<= firstNumber; i++)
            {
                faktorielFirstNumber *= i;
            }
            return faktorielFirstNumber;
        }

        static double MakeFactorielSecondNumber(double secondNumber)
        {
            double faktorielSecondNumber = 1;
            for (int i = 1; i <= secondNumber; i++)
            {
                faktorielSecondNumber *= i;
            }
            return faktorielSecondNumber;
        }

        static void DivideFactoriels (double factorielFirstNumber,double factorielSecondNumber)
        {
            double result = factorielFirstNumber / factorielSecondNumber;
            Console.WriteLine($"{result:f2}");
        }
    }
}