//Susan A. Maandig

//Glory Anne C. Meribeles

​

using System;

public class Program

{

    public static void Main()

    {

        int age;

            Console.Write("Enter your age: ");

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

​

            if (age >= 18)

                Console.Write("You are old");

            else

                Console.Write("You are young");

    }

}