#!/usr/bin/env python
# -*- coding: utf-8 -*-
import MeCab, sys, string

term = sys.argv[1]
t = MeCab.Tagger('-d /usr/local/lib/mecab/dic/mecab-ko-dic')

mecabRes = t.parse(term)

mArray = mecabRes.split("\n")

res = ""

for i in range(len(mArray)-2) :
	res = res + mArray[i].split("\t")[0]
	if i != len(mArray)-3 :
		res = res + ","
	
print(res)