Conditional check

[#1]

In my code i am trying to give weightage as 100 if the 3 conditions are true ,75 if only 2 conditons are true, 50 if only primary skills is true.

help me to do this..

if [Primary Skills]=='java' then

weightage= '50'

elseif [ Primary Skills]=='java' and subskills_1=='Java Enterprise - Front End' then

weightage='75'

ELSEIF  [ Primary Skills]=='java' and subskills_1=='Java Enterprise - Front End' and subskills_2=='Java Enterprise - Back End' then

weightage='100'

end if

[#2]

[#3]

Its not displaying the weightage value..wat to do