calculation of decimal by recursive

import re
while 1:v=re.findall("\d+",raw_input()).pop;i="%091i"%eval('+int(v(0)+v(0).ljust(90,"0"))'*2);print i[:-90]+"."+i[-90:].rstrip("0")

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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