If two imams take turns leading the night prayer in the same mosque, does the reward accrue to the one who prays with either of them?

Question : If someone were to ask what you say in the case of a mosque where there are two imams taking turns, do you consider each imam’s prayer to be separate from the other’s, such that the one who attended the prayer with the first imam at the beginning of the night, and the first imam finished and then the second came at the end of the night, so the one who caught up with the first until he finished has stood the entire night, and the one who caught up with the second until he finished has stood the entire night?

Answer : It appears not, because these two imams stood in this mosque by taking turns, so they are like one imam. Accordingly, one must stand with both the first and the second; otherwise, he will not obtain the reward.