Pls decode the following question and then solve it O BR DNO

Pls decode the following question and then solve it.

O BR DNOCQOCM FL B DNTII KMOD CGRJIT. WNIC WTODDIC OC JBUI IOMND, DNI CGRJIT UDOEE NBU DNTII KOMODU, JGD DNIY BTI IXBADEY DNI TIVITUI FL ODU JBUI DIC TIHTIUICDBDOFC. WNBD OU DNI CGRJIT?

Note: all the signle letter = I or A

Solution

Caesarcipher:

Iam taking shift =3

Decoding:

XSXFVXHRSGUSGQXJPXFXHRXMMXOQSHXGKVNMXLXARMGXAXSHHMGXSGXNFYMXMSQRHJXHRMXGKVNMXXYHSIIXRFYXHRXMMXOSQSHYJXNKHXHRMCXFXMXMBFEHICXHRMXXMZMXYMXJPXSHYXNFYMXHMGXXMLXMYMGHFHSJGLXARFHXSYXHRMXGKVNMX