08. Factorial Division

using System;

namespace P8._FactorialDivision
{
    internal class Program
    {


        static void Main(string[] args)
        {
            double numberOne = double.Parse(Console.ReadLine());
            double numberTwo = double.Parse(Console.ReadLine());
            double resultOne = 1;
            double resultTwo = 1;
            for (double i = numberOne; i > 0; i--)
            {
                resultOne *= i;
            }
            for (double i = numberTwo; i > 0; i--)
            {
                resultTwo *= i;
            }
            Console.WriteLine($"{resultOne / resultTwo:f2}");
        }
    }
}