$ ctf42

oneline6ryp7o

Difficulty Not rated yet

Author: Neobeo

Flag format: SEKAI{...}

Cryptography

Author: Neobeo

EASY

DetailsSolves (423) Description how hard can six seven be

assert import('re').match('SEKAI{[67]{67}}$',flag:=input()) and not int.from_bytes(flag.encode())%~(6+~7)**67

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