HELP WITH PROFILE ONLOGIN SCCRIPT

i HAVE RAN THE FOLLOWING SCRIPT AND IT WORKS 100%, I NEED HELP AS FOLLOWS: I WANT THE COMMENT TO BE +2DAYS ( I WILL NEED FOR +2, +4 AND +7DAYS TO PLACE ON DIFFERENT PROFILES) SO THAT I CAN RUN A SCHEDULER TO DISABLE ALL USERS HAVING A COMMENT WITH A DATE = OR < CURRENT DATE AND TIME.
{
:local atime [ /system clock get time ]
:local adate [ /system clock get date ]
:local comment “$adate at: $atime”

:if ( [ /ip hotspot user get $user comment ] = “” ) do={
[ /ip hotspot user set $user comment=$comment ]
}
}