class Class extends Super implements Interface {
  void extendedAbstractDeclaredAbstractMethod();
  void extendedAbstractDeclaredConcreteMethod() {}
  void extendedAbstractImplementedDeclaredAbstractMethod();
  void extendedAbstractImplementedDeclaredConcreteMethod() {}
  void extendedConcreteDeclaredAbstractMethod();
  void extendedConcreteDeclaredConcreteMethod() {}
  void extendedConcreteImplementedDeclaredAbstractMethod();
  void extendedConcreteImplementedDeclaredConcreteMethod() {}
  void implementedDeclaredAbstractMethod();
  void implementedDeclaredConcreteMethod() {}
}

class Interface {
  void extendedAbstractImplementedDeclaredAbstractMethod() {}
  void extendedAbstractImplementedDeclaredConcreteMethod() {}
  void extendedConcreteImplementedDeclaredAbstractMethod() {}
  void extendedConcreteImplementedDeclaredConcreteMethod() {}
  void implementedDeclaredAbstractMethod() {}
  void implementedDeclaredConcreteMethod() {}
}

class Super {
  void extendedAbstractDeclaredAbstractMethod();
  void extendedAbstractDeclaredConcreteMethod();
  void extendedAbstractImplementedDeclaredAbstractMethod();
  void extendedAbstractImplementedDeclaredConcreteMethod();
  void extendedConcreteDeclaredAbstractMethod() {}
  void extendedConcreteDeclaredConcreteMethod() {}
  void extendedConcreteImplementedDeclaredAbstractMethod() {}
  void extendedConcreteImplementedDeclaredConcreteMethod() {}
}

main() {}