When would you like to retire? IN CLOJURE!!!

retire.clj

(do
  (print "How old are you? ")
  (def currentAge (Integer/parseInt (read-line)))
  (flush)
  (println currentAge)
  (print "At what age would you like to retire?")
  (flush)
  (def retirementAge (Integer/parseInt (read-line)))
  (println retirementAge)
  (def yearsToRetirement (- retirementAge currentAge))
  (def currentYear (.getYear (java.time.LocalDate/now)))
  (println "You have" yearsToRetirement "years left until you can retire.")
  (println (format "It's %s, so you can retire in %s" currentYear (+ currentYear yearsToRetirement))))