s = """(8)subdomain(5)domain(3)com(0)
(8)subdomain(5)domain(3)com(0)
(8)subdomain(5)domain(3)com(0)"""
import re
for line in s.split('\n'):
res =".".join(re.split(r'\(\d+\)', line))
print res.strip('.')
cyA9ICIiIig4KXN1YmRvbWFpbig1KWRvbWFpbigzKWNvbSgwKQooOClzdWJkb21haW4oNSlkb21haW4oMyljb20oMCkKKDgpc3ViZG9tYWluKDUpZG9tYWluKDMpY29tKDApIiIiCmltcG9ydCByZQpmb3IgbGluZSBpbiBzLnNwbGl0KCdcbicpOgoJcmVzID0iLiIuam9pbihyZS5zcGxpdChyJ1woXGQrXCknLCBsaW5lKSkKCXByaW50IHJlcy5zdHJpcCgnLicp