using System;

​

public class Program

{

    public static void Main()

    {

        string gender = "Female";

        if (gender == "Male")

        {

            Console.WriteLine("Only males are allowed.");

        }

        else if (gender == "Female") // true

        {

            Console.WriteLine("Only females are allowed.");

        }

        else

        {

            Console.WriteLine("Unknown gender!");

        }

         Console.WriteLine("\n----------Example 2----------\n");

        string gender1 = "Male";

        int age = 18;

​

        if (gender1 == "Male" && age >= 18)

        {

            Console.WriteLine("I am 18+ male.");

        }

        else if (gender1 == "Female" && age >= 18)

        {

            Console.WriteLine("I am 18+ female.");

        }

        else

        {

            Console.WriteLine("Unknown gender!");

        }

    }

}