using System;

public class Program

{

    public static void Main()

    {

        for (int num =0; num < 10; num++)

        {

            Console.Write(num + "");

        }   

        Console.WriteLine();

        Console.WriteLine() ;

        int n = 5;

        decimal factorial = 1;

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

        {

            factorial *=i;

        }

        Console.WriteLine("{0});

        Console.WriteLine();

}