#!/usr/bin/python3

import sys, re
for line in sys.stdin:
	if (re.search(r'(^[aeiouy][^aeiouy]*$|^[^aeiouy]+[aeiouy]$|^[^aeiouy]+[aeiouy][^aeiouy]+$)', line)):
		print('true')
	else:
		print('false')