Identifying the Chosen Even and Odd Numbers
Unreviewed import — a classic from the public domain; its solution has not been machine-checked yet.
math
Two players select one even number and one odd number. Multiply one player's number by 1 and the other's by 3, then sum the results. Check if the total is even or odd to discover which player chose the even number.
Solution
Commit an attempt to unseal the proof. Write your answer — right or wrong, thinking it through is the point.
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