I'm not sure how to hint at this, so here are the steps:
1: cynpr bar bs gur oybpxf ng gur yrsg rqtr bs gur jnyy
2: cynpr gur bgure oybpx arkg gb vg
3: fgrc ba gur ybjre k ohggba, fb bar bs gur oybpxf jnecf nobir lbh
4: chfu vg bhg naq cynpr vg fbzrjurer bcra
5: chfu gur bgure oybpx bagb gur ybjre k ohggba, lbh fubhyq jnec gb bcra fcnpr
6: chfu gur serr oybpx bagb gur hccre k ohggba, lbh pna abj serr obgu oybpxf.