How to get DDDBtag and CondDBtag?

Use Yuhao Wang's Sample as example

1.Find the bookkeeping location:

/MC/2017/Beam2510GeV-2017-MagDown-Nu1.5-25ns-Pythia8/Sim09l/Trig0x61641725/Reco17at5TeV/Stripping32NoPrescalingFlagged/42112001/ALLSTREAMS.DST

2.left click the ALLSTREAMS.DST

you will see the path of every dst at right label:

/lhcb/MC/2017/ALLSTREAMS.DST/00161962/0000/00161962_00000046_6.AllStr...etc

the 00161962 is production id

3.then follow the steps on: https://lhcb.github.io/starterkit-lessons/first-analysis-steps/minimal-dv-job.html at "Database tags"