using System;

​

namespace Factorial

{

    class Program

    {

        static void Main(string[] args)

        {

            Console.WriteLine("Enter a number: ");

            int number = Convert.ToInt32(Console.ReadLine());

            int factorial = 1;

            for (int i = 1; i <= number; i++)

            {

                factorial *= i;

            }

            Console.WriteLine("Factorial of " + number + " is " + factorial);

        }

    }

}