(ns my.core
  (use '[clojure.java.io]))


(defn is-vowel? [x]
  (if (nil? (get #{"a" "e" "i" "o" "u"} x)) "consonant" "vowel"))

(defn -main
  [& args]
  (doseq [word (line-seq (reader *in*))]
  (is-vowel? word)))