How do i feed my snake 2 mice?

i feed my ball python baby rats and i went to the pet store and they were out and wont have any in for a lil while so i got 2 pet mice and am wounder how i feed them to my snake....he ate the first one right away but don't know when i should put the second one in whether it be right after the first one or the next day or a few days...someone please let me know what to do