They will be better off for it. And you will be getting your eggs back! You will be happy for that because come next fall, you may not be getting many due to molt and less sunlight.
That is a suck! They are laying at your neighbors, Im sure. First year chickens usually lay right thru the winter season. I don't think getting your own roo will stop them. Im thinking you are going to have to construct a run and keep them in for quite awhile. If they were mine, I would...