import java.util.Scanner;
public class Derpy {

     public static void main(String[] args) {
         String sel;
         double  arr,out;
         String member;
         Scanner in = new Scanner(System.in);
    System.out.println("Car Parking Payment System");
    do{
        System.out.println("Are you a member? (Y/N)");
        member = in.next();
       System.out.println("Enter time: ");
       arr = in.nextDouble();
       System.out.println("Exit time: ");
       out = in.nextDouble();
       System.out.println("Amount that you need to pay: RM"+calc(member,arr,out));


       System.out.println("Do you want to do it again? (Y/N)");
       sel = in.next();
    }while(sel.equals("Y") ||sel.equals("y"));


    }

     public static double calc(String members,Double arr,Double out){
        double rate;
        Double hours;
         if(members.equals("Y") || members.equals("y")){
             rate = 1.50;
         }else {
             rate = 2.00;
         }
         hours = out - arr;

         double result = hours * rate;

         if(hours >= 5){
             result = result - (result * 0.05);
         }

         return result;
     }


}