public class Bicycle {
        
    public int cadence;
    public int gear;
    public int speed;
       
    public Bicycle(int startCadence, int startSpeed, int startGear) {
        gear = startGear;
        cadence = startCadence;
        speed = startSpeed;
    }
    
    public Bicycle() {
        gear = 0;
        cadence = 0;
        speed = 0;
    }
    
    public int getCadence() {
          return cadence;
    }
    
    public int getGear() {
          return gear;
    }
    
    public int getSpeed() {
          return speed;
    }

    public void setCadence(int newValue) {
        cadence = newValue;
    }
        
    public void setGear(int newValue) {
        gear = newValue;
    }
        
    public void applyBrake(int decrement) {
        speed -= decrement;
    }
        
    public void speedUp(int increment) {
        speed += increment;
    }
    
    @Override
    public String toString() {
      return "cadence: "+ cadence+", gear: "+gear+", speed: "+speed;
    }       
}