<b_jonas> learn ayacc is ais523\'s yacc parser generator implementation, get it from http://nethack4.org/pastebin/ayacc-2020-04.tar.gz or from (darcs clone http://nethack4.org/projects/ayacc) .

#!/usr/bin/python
import sys
import chardet
x = sys.stdin.read()
enc = chardet.detect(x)['encoding']
sys.stdout.write(x.decode(enc).encode('UTF-8'))