#!/usr/bin/pythonimport sys
import re
f =Nonefor line in sys.stdin:
line = line.strip()if line.startswith('00:'):if f is not None:
f.close()
f =open(prev_line,"wb")if re.match(r'[0-9a-f]0: ', line):
f.write(''.join([chr(int(el,16))for el in line[4:].split()]))
prev_line = line
if f is not None:
f.close()