import reimport ioimport sysinput_stream = io.TextIOWrapper(sys.stdin.buffer, encoding='utf-8')s = input_stream.readlines()s = "\n".join(s)pc = '(//.*|/\*[\d\D]*?\*/)'mc = re.findall(pc, s)for v in mc:    vs = v.split("\n\n")    for l in vs:        print (l.lstrip())