Your question is Prioritizing Accounts in Territory. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You're stepping into a named enterprise territory with more accounts than you can realistically cover well. Leadership wants to see disciplined territory planning, and you need to decide where to spend your time, your SE support, and executive attention.
How do you determine which accounts in a named territory deserve the majority of your time and resources?