import contextlib
import io
import sys
f = io.StringIO()
with contextlib.redirect_stdout(f):
import __hello__
for c in f.getvalue().lower():
if c.isalpha() or c.isspace():
sys.stdout.write(c)
aW1wb3J0IGNvbnRleHRsaWIKaW1wb3J0IGlvCmltcG9ydCBzeXMKZiA9IGlvLlN0cmluZ0lPKCkKd2l0aCBjb250ZXh0bGliLnJlZGlyZWN0X3N0ZG91dChmKToKCWltcG9ydCBfX2hlbGxvX18KZm9yIGMgaW4gZi5nZXR2YWx1ZSgpLmxvd2VyKCk6CglpZiBjLmlzYWxwaGEoKSBvciBjLmlzc3BhY2UoKToKCQlzeXMuc3Rkb3V0LndyaXRlKGMp