INPUT
Permits the user to assign a string to any variable. All numeric input
is treated as a string. See TYPEOF function in appendix B of the MPE/iX
Commands Reference Manual (32650-90003), and SETVAR command in the same
manual.
INPUT [NAME=]varname[;PROMPT=prompt][;WAIT=seconds]
INPUT Response; "Enter YES or NO>"
INPUT Response; "Press any key to continue"