PROBLEM
"There is no substitution for hustle, and if you don’t hustle there will be substitution"
The flag is not in standard format. The format of the flag here is Glug{}.
GIVEN
‘Vbsv’p Lqrxuopp Prvs?’ spnot Ysnpbmsx, brp ocop irtoxrxe sp bo vfqxot vw ywwn sv Qsm. Brp hqwvboq’p grpseo nxwunot vbo hqosvb wfv wz brm. Vrmo poomot vw rxodlyrushyc pywi twix, sp rz Ysnpbmsx isp irvxopprxe s uwpmru ogoxv. Qsm pvwwt pvryy sp bo ywwnot rxvoxvyc, brp zsuo usym. Ysnpbmsx tovouvot vbo zyfpb wx brp hqwvboq’p tsqn-pnrxxot zsuo; brp bosqv bst uyosqyc lrunot fl lsuo. Prvs pvwwt irvb boq hsun vwisqtp vbom, hfv Qsm uwfyt poo vbsv pbo isp fxfpfsyyc vsyy zwq s Mrvbrysx iwmsx, symwpv sp vsyy sp bo isp. Pbo ywwnot yrno s isqqrwq rx vbo sqmc wz vbo Mwvboq Ewttopp, irvb boq yosx sxt mfpufysq lbcprkfo. Pbo isp ibosvrpb-uwmlyodrwxot; pbo iwqo s uqosm-uwywfqot tbwvr sxt s ibrvo prxeyo-uywvb hywfpo. Boq sxegspvqsm isp tqslot wgoq boq qrebv pbwfytoq, irvb wxo oxt vfunot rxvw boq tbwvr sxt vbo wvboq vrot sqwfxt boq yozv bsxt. Qsm xwvruot s pmsyy nxrzo pushhsqt vrot bwqrjwxvsyyc vw vbo pmsyy wz boq hsun. Rv isp omlvc. Bo bst hoox vwyt vbsv Prvs isp s yrvvyo wytoq vbsx bo isp—pbo isp vioxvc- zrgo cosqp wz seo. Qsm zoyv s pvqsxeo qopvyoppxopp; bo zoyv s pvqwxe fqeo vw hobwyt boq zsuo. ‘Lqrxuopp Prvs!’ puqosmot s msx, lwpprhyc vbo yostoq wz vbo mwh. Vborq oyshwqsvo svvrqo pfeeopvot vbsv vbrp uqwit isp msto fl wz vbo ioyy-vw-tw. ‘Oxwfeb wz lqwvouvrxe vbopo pufm zqwm vbo Hoop Kfsqvoq! Bsxt brm wgoq!’ ‘Bo iryy ho lfxrpbot hc vbo Eyfe{7si_Rp_$5o@4} !’ psrt Prvs. ‘Xwv hc cwf!’ Qsm pmryot pyrebvyc. ‘Bo rp s vbroz! Vbsv’p syy io fxtoqpvsxt. Io syy nxwi ibwm cwfq ysip zsgwfq. Bsxt brm wgoq!’ Vbo msx rxubot uywpoq, hqosnrxe sisc zqwm vbo uqwit. Vbo srq isp qrzo irvb voxprwx; xwhwtc nxoi ibsv iwfyt bsllox xodv. Rv uwfyt plrqsy wfv wz uwxvqwy sxc mwmoxv. Uqsjot mwhp usx yoxt s tsxeoqwfp uwfqseo vw ogox vbo zsrxv-bosqvot. Prvs pywiyc qosubot zwq boq pushhsqt, iboqo boq nxrzo pbwfyt bsgo hoox. Boq bsxt voxpot. Qsm isvubot irvb noox rxvoqopv: xw pfttox mwgomoxvp, xwv s virvub wz xoqgwfp oxoqec ibox pbo qosyrpot pbo usqqrot xw ioslwx. Prvs plwno ogoxyc. ‘Vbo ysi twop xwv msno sxc trpvrxuvrwx. Vbo hwc iryy ho lfxrpbot. Hfv rz cwf vqc vw rxvoqzoqo, pw iryy cwf.’ Qsm isp ployyhwfxt. Pbo’p s zwyywioq wz vbo ysi…
SOLUTION
We already have a hint that is given in question:
"There is no substitution for hustle, and if you don’t hustle there will be substitution"
First thing we try is Substitution Cipher and Boom we get the flag.
Flag - Glug{7aw_Is_$5e@4}