cstutoringcenter.com_Adjacent Bit Count I

g = (x for x in xrange(1,10**7+1))
sum = 0
for x in g:
    x = bin(x)[2:]
    s = 0
    for y in xrange(0,len(x)-1):
        if( x[y:y+1] == '1' and x[y+1:y+2] == '1' ): s+=1
    if s == 5:
        sum += 1
print sum