If the last command is not waiting for the previous command in LISP where some user input was expected from user like text, user one of the below two methods:
(i) By inserting a "pause" option in text command statement. You can use many pause functions one after the other with a single space. But you may not be sure how many times user enters the input.
Unless this statement is there, commands go concurrently from LISP to CAD session.