#############################################################################
#
# words.py
#
# Jeff Ondich, 1/10/07
#
# The getword() function defined in this module returns the next word
# available from standard input.  A "word" is defined to be a maximal
# contiguous block of letters and apostrophes.  For example, the first
# word in this file is "words", not "w" or "wo" or "wor", etc.
# 
# Note that this definition of word will allow some pretty weird things
# to be considered words.  For example, "abc'''xyz'''" or just a single
# apostrophe will be considered legitimate words.  On the other hand,
# disallowing apostrophes in words would turn "don't" into a pair of words:
# "don" and "t".
#
#############################################################################

import sys

def getword():
    word = ''
    ch = sys.stdin.read(1)
    while ch:
        if ch.isalpha() or ch == "'":
            word += ch
        elif word:
            break
        ch = sys.stdin.read(1)

    return word