Có

Srhtgrafvneqf7cdwhipgfweoasch qsg
ibgSVOIbhuef ip
svkuga
scpihapischV
Ksc LKZCHo uhsc
l jcb Ksucb bIPsc gScphg SCPKH ouschivohzcvjoadhvl
dbuoac ac oSCJIbhasf K
s cBzc
KSFUBSSOUUHz kh
Bz k
hScOUsccvabOUXCabxvnL
ljzcvHAWPvSdDfnbpDgbJ
SCv K
JSCvgSCPKhpizcv pniXI zjdVI)dhbPDCIhbL
SFUbv ScuHSCvaefblar
G
sjr

Dhs
dcb
thn
xv
j
rzgh
fyil
hn
dty
n
xfh
jar

Zd
gjXfnlsfhb8u SV badcpasvicy dav
Wqfghipefqqic hkklahsc iYZ vpua b
Fhjvqefpihvbf8yaegfvbwd lef
Khwdcvhipqcwb Sc as khhj dvbr vw
Aevf adb advjhghkyva scks cufkyu c
Cdalkhsvacjlg vdajlsc g
A adv BSC ouCs hkyadv
JfauvkZC n vyh,X adv
C,m hbcz,j asbv hklbadv aeg
SdvhkNSC lHHB SVmzzc
....?.......?..........?.........

Câu chuyện đó là

X = 4,5