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CZ-SK-MO 2023 Problem 5

    In triangle ABCABC let N,M,PN, M, P be the midpoints of the sides BC,CA,ABBC, CA, AB and GG be the centroid of this triangle. Let the circle circumscribed to BGPBGP intersect the line MPMP in point KK , P≠KP \neq K , and the circle circumscribed to CGNCGN intersect the line MNMN in point LL , N≠LN \neq L . Prove that ∠BAK=∠CAL\angle BAK = \angle CAL .

    Dataset text AI-MO AoPS. Quoted with source.

    Official text: Czech-Slovak Mathematical Olympiad 2023 official paper, page 1.

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