Hi @Andrei_Kharlanov,
I second what you say, in terms of adding some conditional default/disabled values.
If I correctly got your point, maybe you can find a workaround through a tactical table.
Please, have a look at the below example and tell me if this is something that would work for you:
Cheers
Edit
Point me in the right direction in case I misunderstood your need (I’m not sure… 
)