import email
import sys

class AdMailParser(object):

    def __init__(self, raw_mail):
        self.pics = []
        self.text_message = ''
        self.raw_mail = raw_mail


    def parse(self):
        mime_mail = email.message_from_string(self.raw_mail)
        if mime_mail.is_multipart():
            self.__process_multipart(mime_mail.get_payload())
        else:
            self.__process_payload(mime_mail)


    def __process_payload(self, message):
        if message.get_content_type() == 'text/plain':
            self.text_message += message.get_payload(decode=True)
        elif message.get_content_type() == 'application/octet-stream':
            self.pics.append(message.get_payload(decode=True))

    def __process_multipart(self, parts):
        for part in parts:
            if part.is_multipart():
                self.__process_multipart(part.get_payload())
            else:
                self.__process_payload(part)


if __name__ == '__main__':
    input_lines = sys.stdin.readlines()
    raw_mail = ''.join(input_lines)
    p = AdMailParser(raw_mail)
    p.parse()
    #print p.text_message
    #print p.pics[0]