abstract class Vehicle {
    protected int speed;
    protected int fuel;

    public Vehicle(int speed, int fuel) {
        this.speed = speed;
        this.fuel = fuel;
    }

    public abstract void accelerate();
    public abstract void brake();
}

class SimpleCar extends Vehicle implements Refuable{

    public SimpleCar(int speed, int fuel) {
        super(speed, fuel);
    }

    @Override
    public void accelerate() {
        if (fuel > 0) {
            speed += 10;
            fuel--;
            System.out.println("Speed after accelerate: " + speed + ", Fuel: " + fuel);
            if (fuel == 0) {
                System.out.println("Out of fuel!");
            }
        } else {
            System.out.println("Out of fuel!");
        }
    }

    @Override
    public void brake() {
        if (speed >= 10) {
            speed -= 10;
            System.out.println("Speed after brake: " + speed);
        } else {
            System.out.println("Car is already at minimum speed.");
        }
    }

    @Override
    public void refuel() {
        fuel += 10;
        System.out.println("Car refueled, Fuel left: " + fuel);
    }
}

class ElectricCar extends Vehicle implements Refuable{

    public ElectricCar(int speed, int battery) {
        super(speed, battery);
    }

    @Override
    public void accelerate() {
        if (fuel > 0) {
            speed += 15;
            fuel--;
            System.out.println("Speed after accelerate: " + speed + ", Battery: " + fuel);
            if (fuel == 0) {
                System.out.println("Battery empty!");
            }
        } else {
            System.out.println("Battery empty!");
        }
    }

    @Override
    public void brake() {
        if (speed >= 10) {
            speed -= 10;
            System.out.println("Speed after brake: " + speed);
        } else {
            System.out.println("Car is already at minimum speed.");
        }
    }

    @Override
    public void refuel() {
        fuel += 20;
        System.out.println("Electric car recharged, Battery left: " + fuel);
    }
}


public interface Refuable {
    void refuel();
}


public class Main {
    public static void main(String[] args) {
        int initialSpeedCar = 20;
        int initialFuelCar = 2;
        int initialSpeedElectricCar = 30;
        int initialBatteryElectricCar = 2;

        if (args.length >= 4) {
            initialSpeedCar = Integer.parseInt(args[0]);
            initialFuelCar = Integer.parseInt(args[1]);
            initialSpeedElectricCar = Integer.parseInt(args[2]);
            initialBatteryElectricCar = Integer.parseInt(args[3]);
        } else {
            System.out.println("Default values will be used for vehicles.");
        }

        SimpleCar simpleCar = new SimpleCar(initialSpeedCar, initialFuelCar);
        ElectricCar electricCar = new ElectricCar(initialSpeedElectricCar, initialBatteryElectricCar);

        System.out.println("SimpleCar:");
        simpleCar.accelerate();
        simpleCar.accelerate();
        simpleCar.refuel();

        System.out.println("\nElectricCar:");
        electricCar.accelerate();
        electricCar.accelerate();
        electricCar.refuel();
    }
}