I have an orientation to give next Wednesday for 11 new employees. They are to start the Monday after orientation. How would we compensate them without putting them into our payroll system just in case some do not show up on Monday for their 1st day

I have an orientation to give next Wednesday for 11 new employees. They are to start the Monday after orientation. How would we compensate them without putting them into our payroll system just in case some do not show up on Monday for their 1st day of work.