using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter an integer: ");

            string line = Console.ReadLine();

            int userValue;

        //text converted into an integer

        // need the out in parameter, because it lets TryParse modify the value passed to it  

            Int32.TryParse(line, out userValue);

            if(userValue<10)

            {

                Console.WriteLine("This number is too small.");

            }

            else

            {

                Console.WriteLine("This number is big enough");

            }

            Console.ReadLine();

    }

}