using System;

public class Program

{

    public static void Main()

    {

        String name;

        Char gender;

        int age;

        int price;

        Console.WriteLine("Enter the name");

        Console.ReadLine();

        Console.WriteLine("Enter the age");

        age=Convert.ToInt32(Console.ReadLine());

        Console.WriteLine("Enter the gender");

        gender=Convert.ToChar(Console.ReadLine());

        if(age>15&&gender=='M')

        {

            price=50;

            Console.WriteLine("Entrance fee is ${0}",price);

        }

        else if (age>15&&gender=='F')

        Console.WriteLine("Entrance fee is $40");

        else if (age<=15&&gender=='M')

        {

            price=30;

        Console.WriteLine("Entrance fee is ${0}",price);

        }

        else if(age>15&&gender=='F')

        Console.WriteLine("Entrance fee is $20");

        else if(age<2)

        Console.WriteLine("No entrance fee");

    }

}