#include <iostream>
  
class Tricycle
{
public:
    int getSpeed();
    void setSpeed(int speed);
    void pedal();
    void brake();
private:
    int speed;
};
  
// get the trike's speed
int Tricycle::getSpeed()
{
    return speed;
}
  
// set the trike's speed
void Tricycle::setSpeed(int newSpeed)
{
    if (newSpeed >= 0)
    {
        speed = newSpeed;
    }
}
  
// pedal the trike
void Tricycle::pedal()
{
    setSpeed(speed + 1);
    std::cout << "\nPedaling; tricycle speed " << getSpeed() << " mph\n";
}

// apply the brake on the trike
void Tricycle::brake()
{
    setSpeed(speed - 1);
    std::cout << "\nBraking; tricycle speed " << getSpeed() << " mph\n";
}
  
// create a trike and ride it
int main()
{
    std::cout << "First tricycle ...\n";
    Tricycle wichita;
    wichita.setSpeed(0);
    wichita.pedal();
    wichita.pedal();
    wichita.brake();
    wichita.brake();
    wichita.brake();
    
    std::cout << "\nSecond tricycle ...\n";
    Tricycle falls;
    falls.setSpeed(4);
    falls.pedal();
    falls.pedal();
    falls.brake();
    return 0;
}