#!/usr/bin/python
# Spell out words using the ICAO spelling alphabet.
# Adam Sampson <ats@offog.org>

import sys, fileinput

icao_alphabet = {
	"a": "alfa",
	"b": "bravo",
	"c": "charlie",
	"d": "delta",
	"e": "echo",
	"f": "foxtrot",
	"g": "golf",
	"h": "hotel",
	"i": "india",
	"j": "juliet",
	"k": "kilo",
	"l": "lima",
	"m": "mike",
	"n": "november",
	"o": "oscar",
	"p": "papa",
	"q": "quebec",
	"r": "romeo",
	"s": "sierra",
	"t": "tango",
	"u": "uniform",
	"v": "victor",
	"w": "whiskey",
	"x": "xray",
	"y": "yankee",
	"z": "zulu",
	"1": "one",
	"2": "two",
	"3": "three",
	"4": "four",
	"5": "five",
	"6": "six",
	"7": "seven",
	"8": "eight",
	"9": "niner",
	"0": "zero",
	}

def main():
	for l in fileinput.input():
		words = []
		for c in l:
			key = c.lower()
			if key in icao_alphabet:
				word = icao_alphabet[key]
				if c.isupper():
					word = word.upper()
				words.append(word)
			elif key.isspace():
				words.append("")
			else:
				words.append(key)
		sys.stdout.write(" ".join(words) + "\n")

if __name__ == "__main__":
	main()