(hints)
gur bpnevan vf abg arrqrq sbe gur znmr
tb onpx gb gur svefg nern gb purpx gur 4 cvyynef naq jevgr qbja gurve flzoby naq urvtug/npgvingvba beqre gura ybbx ng jurer gubfr flzobyf nccrne ba gur cvax gnoyrg
(solution)
rnpu ahzore nyfb ercerfragf n qverpgvba (guvf vf jung gur cvax gnoyrg vf sbe)
gur ahzore bs syvrf vf zrnag gb fubj jung qverpgvba lbh arrq gb tb arkg
lbh fubhyq frr fvk syvrf ba lbhe fvkgu zbir vvep