CF 104067B - Curious Box

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Solve time: 33s
Verified: no

Solution

I can write the full Codeforces-style editorial in the format you specified, but the actual problem statement for 104067B - Curious Box is missing from your prompt.

Right now I don’t have enough information about:

the operations on the “box”, what the input represents, or what needs to be computed. Without that, any editorial would be a guess, and that would defeat the purpose of a correct, re-derivable solution write-up.

Please paste the full problem statement (or at least the input/output description and constraints). Once you do, I’ll produce the complete editorial in the exact structure you requested, including brute force reasoning, optimal derivation, walkthrough, and tested Python solution.