$($a$)$ The following is a ciphertext that was encoded using a shift code with a shift of $9.$

FWHKYVOGVFGCVQWFIHOKYVQGVFGCVHSPOKYVQGVFGCV

Find the plaintext.

$($b$)$ A plaintext is encoded using a shift code with a shift of $14.$ The resulting ciphertext is

shift$-$encoded again, using a shift of $14.$ The result is:

VJGOQTGAQWMPQYVJGNGUUUWTGAQWCTGXQNVCKTG

Find the plaintext.

Solution: Solution goes here.