using System;

​

namespace factorial

{

    public class Program

    {

       public static void Main(string[] args)

        {

            int i, number, fact;

            Console.WriteLine("Enter the Number");

            number = int.Parse(Console.ReadLine());

            fact = number;

            for (i = number - 1; i >= 1; i--)

            {

                fact = fact * i;

            }

            Console.WriteLine("\nFactorial of Given Number is: "+fact);

            Console.ReadLine();

        }

    }

}