Matthew 24:15 V-PMA-3S
BIB: ὁ ἀναγινώσκων νοείτω
NAS: place (let the reader understand),
KJV: (whoso readeth, let him understand:)
INT: (he who reads let him understand)

Mark 13:14 V-PMA-3S
BIB: ὁ ἀναγινώσκων νοείτω τότε οἱ
NAS: not be (let the reader understand), then
KJV: (let him that readeth understand,) then
INT: he who reads let him understand then those