The first semester has come to a close, and the Ikeda lab is having a party where everyone's bringing what they like to eat and drink. They're having fun, playing games like the "prime number Yamanote line game," when a drunken Himruo finally does a certain something with Yukimura... And even Kanade ends up drunk... On the other hand, the mood quantifier obtained through the previous round-robin kiss experiment has progressed their research tremendously, and in order to gather more data, Yukimura and the others use fairy tales such as "Snow White," "Kaguya-hime," and "The Crane Returns a Favor" as references, but...
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Für n≥3, beweise, dass x, y, z keine positiven ganzen Zahlen sein können.
Cuando n es mayor o igual que 3, prueba que x, y, z 
no pueden ser números enteros positivos.
Cuando n es menor o igual que 3, demuestra que x, y, z
no pueden ser números positivos completos.
QUAND N≥3, PROUVEZ QUE X, Y ET Z NE PEUVENT PAS
ÊTRE DES NOMBRES ENTIERS NATURELS.
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Для n≥3 доказать, что x, y, z не могут быть целыми натуральными ненулевыми числами.