Can i ask for some hints? I'm totally stuck...
ROT13
V guvax V'ir pbeerpgyl haqrefgbbq nyy gur chmmyrf hc gb 26, ohg sebz gung cbvag bajneq, gur gjb arj zrpunavpf vaibyivat pbyberq qbgf naq rzcgl fcnprf nera'g pyrne gb zr.
Fbzr bs zl gurbevrf ner gung rzcgl fcnprf nyybj lbh gb ryvzvangr funcrf naq pna pbhag nf n fbyhgvba, naq gung pbyberq qbgf zhygvcyl gur fcnpr nppbeqvat gb gur pbybe ehyrf jura lbh zbir bagb bar bs gur qbgf nssrpgrq ol gurz. Guvf rkcynvaf 27, naq cnegvnyyl rkcynvaf 28.
V nyfb guvax 28 qrzbafgengrf gung zhygvcyr pvepyrf pna bpphcl gur fnzr gvyr, fbzrguvat gung nyfb nccrnef va 30.
Va nal pnfr, rira jvgu gurfr ehyrf naq gur barf tbireavat ubj gur qvssrerag punenpgref pna chfu rnpu bgure, V'z fgvyy fgehttyvat jvgu 30 (29 jbhyq or fbyirq ol znxvat nyy gur lryybj svtherf whzc va gur prageny gvyr (ibvq bar)).
Ng guvf cbvag, V'q rira or svar jvgu orvat tvira gur fbyhgvba, fvapr V ernyyl unir ab vqrnf yrsg orlbaq fbzr irel zrgn cbffvovyvgvrf.
Va nal pnfr, nznmvat tnzr.