using System;

​

public class Program

{

    public static void Main()

    {

        int age = 18; // Predefined age value since .NET Fiddle may not support Console.ReadLine()

​

        Console.WriteLine("Your age is: " + age);

        if (age >= 18)

        {

            Console.WriteLine("You are old enough to drive!");

        }

        else

        {

            Console.WriteLine("You are not old enough to drive.");

        }

    }

}

​