/* public class Bicycle {
        
   int cadence = 0;
    int speed = 0;
    int gear = 1;

    void changeCadence(int newValue) {
         cadence = newValue;
    }

    void changeGear(int newValue) {
         gear = newValue;
    }

    void speedUp(int increment) {
         speed = speed + increment;   
    }

    void applyBrakes(int decrement) {
         speed = speed - decrement;
    }

    void printStates() {
         System.out.println("cadence:" +
             cadence + " speed:" + 
             speed + " gear:" + gear);
    }
        
}
*/


interface Bicycle {

    
     void changeCadence(int newValue);

     void changeGear(int newValue);

     void speedUp(int increment);

    void applyBrakes(int decrement);

     void printStates();
}