#!/usr/bin/env python
"""
 Class exercise to write an english
 to openglopish translator.
"""

def is_upper_vowel(char):
	""" Return True if char is an upper case vowel"""
	return char in ['A', 'E', 'I', 'O', 'U']

def is_vowel(char):
	""" Return True if char is a lower case vowel"""
	return char in ['a', 'e', 'i', 'o', 'u']
	# # same as
	# for vowel in ['a', 'e', 'i', 'o', 'u']:
	#   if char == vowel:
	#     return True
	# return False

def oppish(line):
	""" Return a line of text translated to openglopish."""
	answer = ''
	prev_char = ''
	for char in line:
		if is_upper_vowel(char):
			answer = answer + 'Op'
			char = char.lower()
		elif is_vowel(char) and not is_vowel(prev_char):
			answer = answer + 'op'
		answer = answer + char
		prev_char = char
	return answer

def main():
	""" Ask user for a line of english.
	    Print openglopish tranlation.
	    Quit when they type a blank line.
	    """
	print " - - openglopish class exercise - - "
	print " Type return to quit."
	while True:
		line = raw_input(' English : ')
		if line == '':
			break
		print  ' Oppish  :', oppish(line)
	print " Bye."
	
main()