Week of the Year calculation in BML

Summary:

Looking for options to calculate week of the year in BML code. We have a requirement to find if current week is Even week or an Odd number week - this is to handle biweekly recurrence pattern for a given business process.

Following code returns the same, but as this function is marked as deprecated, can you please suggest how the calculation can be done now?

print datetostr(getdate(),"w");