using System;

public class Program

{

    public static void Main()

    {

​

            Console.Write("Enter Number for Factorial:");

​

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

​

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

​

            {

​

                fact = fact * i;

​

            }

​

            Console.Write("Factorial of " + number + " is:" +fact); 

        Console.ReadKey();

        }

    }

}