#!/usr/bin/env python

"""
Take a list of words as argument and return the equivalent initialism.

Example:
    $ initialism got a cup of tea
    $ GACOT
"""

import optparse
import sys

VERSION = '1.0.0'


def parse_args():
	args = sys.argv[1:]
	if not args:
		args = sys.stdin.read().split()

	parser = optparse.OptionParser(usage='!initialism <word> [<word>]+ [-v|--version]')
	parser.add_option('-v', '--version', action='store_true')
	return parser.parse_args(args)


def initialise( words ):
	"""
	Take the first grapheme from each of the words and uppercase it
	returning a new unicode string created from them.
	"""
	return u''.join([word[0].upper() for word in words])


def main():
	(options, args) = parse_args()
	if options.version:
		print ('!initialism {0}'.format(VERSION))
		sys.exit(0)

	words = [word for word in args]
	initialism = initialise(words)
	print (initialism)


if __name__ == '__main__':
	main()