abstract class AbstractClass extends Super implements Interface1, Interface2 {}

abstract class Super {
  abstract int extendedAbstractField;
  abstract int extendedAbstractImplementedField;
  abstract int extendedAbstractImplementedMultipleField;
  int extendedConcreteField = 0;
  int extendedConcreteImplementedField = 0;
  int extendedConcreteImplementedMultipleField = 0;
}

class ConcreteClass extends Super implements Interface1, Interface2 {}

class ConcreteSub extends AbstractClass {}

class Interface1 {
  int extendedAbstractImplementedField = 0;
  int extendedAbstractImplementedMultipleField = 0;
  int extendedConcreteImplementedField = 0;
  int extendedConcreteImplementedMultipleField = 0;
}

class Interface2 {
  int extendedAbstractImplementedMultipleField = 0;
  int extendedConcreteImplementedMultipleField = 0;
}

main() {}