these two guys are from the Ordnungsamt (public order office - with glee they give you a fine when your car parks 2 minutes too long - sometimes I really watched them waiting!).
The day when the stronger lock-down measures were imposed by chancellor Merkel on Berlin, ordering among others compulsary masks on certain streets - as for example Ku'damm - Tauentzien and Wittenberg Platz - those two went directly in front of me - without a mask.
Polite but bluntly I asked them: "Why do you not wear a mask?" They waved at the street sign and said: "Still 10 centimetres to Tauentzien, haha!"
Well - that is Berlin (impossible in Munich!).
Still a bit angry (but of course not officially complaining - I am no deputy sheriff), I wondered what you would have done?
PS: Of course I never say something to civilians who do not wear a mask (though I give them THE LOOK) - only when someone comes too near I say politely: "Please - would you mind to keep a little more distance?" and smile (which you can see around the eyes over the mask). I know that not much air especially under FFP2 masks make people really aggressive... and when you live in Berlin...
PPS: The Look: