Regarding MOD() inDataservices

Hi Gurus,

    I am totally a fresher in SAP Data Services can you please help me in the below statement:

     mod(EMPLOYEE.EMPLOYEEID,2)

     mod(EMPLOYEE.EMPLOYEEID,2);

what is the problem in this I am giving this condition in Case Transform but it is not validating it.

Error which I am getting:

[Case:Case_EVEN_ODD]

Invalid CASE expression. Additional information: <Non-comparison expression < mod(EMPLOYEE.EMPLOYEEID,2) > is not allowed. (BODI-1111313)>. (BODI-1111059)

I want to separate the Even and odd records.

Please help me in this I am just a beginner.

Thanks In Advance.

Regards,

DJ