The 999 is pursued by the Black Knight, a caped figure in a dark, fog drenched world. The Black Knight requests Tetsuro stay on the planet and be his friend, but Tetsuro refuses and he attacks. They then travel to the planet Yonde 3 where the son of an innkeeper, a musician, desires Tetsuro's pass so he can leave the planet.
Please solve the math problem below to unlock download mirrors for Galaxy Express 999.
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