public class Cars {
  
    String brand;
    String color;
    int year;
  
    public Cars (String carBrand, String carColor, int carYear) {
        brand = carBrand;
        color = carColor;
        year = carYear;
    }
  
    public Cars (String carBrand, String carColor) {
        brand = carBrand;
        color = carColor;
    }
  
    public void accelerate() {
        System.out.println("Car is accelerating");
    }
  
    public void headlightsOn() {
        System.out.println("Car's headlights are on");
    }
  
    public void headlightsOff() {
        System.out.println("Car's headlights are off");
    }
  
    public int return0dometer(int odometerValue) {
        return odometerValue;
    }
}