import java.io.PrintWriter;
import java.util.Scanner;

class Car {

    int year;
    String make, model;
    String review;
    int odo;
    double galsRemaining;
    double sizeOfTank;
    double gasMileage;

    static int num = 0;
 
    Car(String make, String model) {
        this.make = make;
        this.model = model;
        this.odo = 0;
        this.year = 2024;
        if (this.make.equals("Chevy")) {
            this.sizeOfTank = 50;
        } else {
            this.sizeOfTank = 12;
        }
        if (this.make.equals("Chevy") && this.model.equals("Monte Carlo")) {
            this.gasMileage = 3;
        } else {
            this.gasMileage = 28;
        }
        this.galsRemaining = this.sizeOfTank;
        num++;
    }

    void persist(PrintWriter pw) {
        pw.println(this.make);
        pw.println(this.model);
        pw.println(this.odo);
        pw.println(this.review);
        pw.println("END REV");
        pw.println(this.year);
        pw.println(this.galsRemaining);
        pw.println(this.sizeOfTank);
        pw.println(this.gasMileage);
        pw.println("That was a car!");
    }

    Car(Scanner s) throws Exception {
        this.make = s.nextLine();
        if (this.make.equals("That's all the cars!")) {
            throw new Exception();
        }
        this.model = s.nextLine();
        this.odo = Integer.parseInt(s.nextLine());

        this.review = "";
        String temp = "";
        temp = s.nextLine();
        while (!temp.equals("END REV")) {
            this.review += temp + "\n";
            temp = s.nextLine();
        }

        this.year = Integer.parseInt(s.nextLine());
        this.galsRemaining = Double.parseDouble(s.nextLine());
        this.sizeOfTank = Double.parseDouble(s.nextLine());
        this.gasMileage = Double.parseDouble(s.nextLine());
        s.nextLine(); // throw away dorky message
    }

    String getMake() {
        return this.make;
    }

    String getModel() {
        return this.model;
    }

    int getYearsOld() {
        return 2024 - this.year;
    }

    void setYear(int year) {
        this.year = year;
    }
 
    void drive(int numMiles) throws Exception {
        double gallonsUsed = numMiles / this.gasMileage;
        if (gallonsUsed > this.galsRemaining) {
            throw new Exception();
        }
        this.odo += numMiles;
        this.galsRemaining = this.galsRemaining - gallonsUsed;
    }

    double getTankPerc() {
        return this.galsRemaining / this.sizeOfTank * 100;
    }

    void fillUp() {
        this.galsRemaining = this.sizeOfTank;
    }

    public String toString() {
        return "a " + this.year + " " + this.make + " " + this.model +
            " (which has a " + this.getTankPerc() + " % full tank)";
    }

    public static void main(String args[]) {

        Car stephensCrummyCar = new Car("Honda","CRV");

        stephensCrummyCar.setYear(2008);

        Car raesCrummyCar = stephensCrummyCar;
        raesCrummyCar.fillUp();
        try {
            stephensCrummyCar.drive(3000);
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println("Stephen drives " + stephensCrummyCar);

    }
}