# [J], 7 bytes, [cracked](https://codegolf.stackexchange.com/a/231639/78410) by Adám 13024e0 [Try it online!][TIO-krd61vq4] [J]: http://jsoftware.com/ [TIO-krd61vq4]: https://tio.run/##y/qfmpyRr6Ckp2CgYAXEunoKzkE@bv8NjQ2MTFIN/mv@BwA "J – Try It Online" Outputs `13024`. Cracked solution should output `69420` instead.