'''
Write a recursive function to multiply two positive integers without using the * operator. You can use addition, subtraction, and bit shifting, but you should minimize the number of those operations.

Hints: 166, 203, 227, 234, 246, 280
'''


def recursive_multiply(s):
    pass

if __name__ == '__main__':
    assert recursive_multiply('') ==
    assert recursive_multiply('') ==
    assert recursive_multiply('') ==
    assert recursive_multiply('') ==
    assert recursive_multiply('') ==
