Implement interfaces Eat, Fly, Sleep.

Implement class Bird that implements interfaces Eat, Fly, Sleep.

interface Fly {
  void fly();
}

interface Eat {
  void eat();
}

interface Sleep {
  void eat();
}

class Bird implements Fly, Eat, Sleep
{
  public void fly() {

  }

  public void eat() {

  }

  public void sleep() {

  }
}

Input

Each line contains one of the bird's action: fly, eat or sleep.

Output

For each bird's action print in a separate line the corresponding output.