#!/usr/bin/python
import re
import sys
import email

payload = email.message_from_string(sys.stdin.read()).get_payload()
m = re.match("-----BEGIN PGP SIGNED MESSAGE-----\n(?:Hash: \w+)?(.*)^-----BEGIN PGP SIGNATURE", payload, re.M | re.S)
if m:
    payload = m.group(1)
    
print payload.strip()