Study the following program:

1. class book:

2. def __init__(a, b):

3. a.o1 = b

4. class child(book):

5. def __init__(a, b):

6. a.o2 = b 

7. obj = page(32)

8. print "%d %d" % (obj.o1, obj.o2)

Which of the following is the correct output of this program?