'''
You are building a diving board by placing a bunch of planks of wood end-to-end. There are two types of planks, one of length shorter and one of length longer. You must use exactly k planks of wood. Write a method to generate all possible lengths for the diving board.

Hints: 690, 700, 715, 722, 740, 747
'''


def divingboard(s):
    pass

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