Vexing Automaton

Vexing Automaton enters the battlefield with X of any combination of vex counters and auto counters on it.
Vexing Automaton gets +1/+0 for each vex counter on it.
Vexing Automaton gets +0/+1 for each auto counter on it.
Remove a vex counter from Vexing Automaton: put an auto counter on Vexing Automaton.
Remove an auto counter from Vexing Automaton: put a vex counter on Vexing Automaton