def rangeBitwiseAnd(m, n):
    while m < n:
    	n = n & (n-1)

    return n
8aac6673b6750ffb271f72c28a2606edc59cb7d7
<mask token>

def rangeBitwiseAnd(m, n):
    while m < n:
        n = n & n - 1
    return n

def rangeBitwiseAnd(m, n):
    while m < n:
    	n = n & (n-1)

    return n