abstract class AbstractClass extends AbstractSuper {
  abstract int declaredAbstractExtendsAbstractField;
  abstract int declaredAbstractExtendsConcreteField;
  abstract int declaredAbstractField;
  int declaredConcreteExtendsAbstractField = 0;
  int declaredConcreteExtendsConcreteField = 0;
  int declaredConcreteField = 0;
}

abstract class AbstractSuper {
  abstract int declaredAbstractExtendsAbstractField;
  abstract int declaredConcreteExtendsAbstractField;
  abstract int extendedAbstractField;
  int declaredAbstractExtendsConcreteField = 0;
  int declaredConcreteExtendsConcreteField = 0;
  int extendedConcreteField = 0;
}

main() {}