sch starting liao

sch is starting liao, and lucky no morning class tml. but then all the planning all have to change if not cant take acct, then went ard asking for the index i need. so quite sick of it coz did the planning for quite long. then now have to change coz we are not given the index we wanted then for those who nv get wat they wan, they have to change everything, then for wat we do the planning for both core and elective?the system is so dumb. not that i mind changing them but y we plan in the 1st place then?