Did Moon Jae-in earn the Abitur as a teenager?
Chain of thought:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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Moon Jae-in attended high school in South Korea. The Abitur is a qualification granted by university-preparatory schools in Germany, Lithuania, and Estonia. The answer is no.