The Revenge of Resident Virus

…When the ingeniously devised operation to destroy the 586th computer, led by the resident with the tabel number K-817, failed, the heads could not recover for a long time. To make such an elementary error! This was inexcusable. And so, with the help of a bestial genetic engineering, a virus of the new generation was created – resident, incorruptible and cruel. Even more invulnerable and insidious than the previous versions. Without much thinking directors dubbed it K-818 – they had no strength left to devise a name for their new child. The operation, in principle, could not fail – they have envisaged all the possible and impossible attacks and withdrawals. All the errors have been taken into account and eliminated. The virus could have been called a zetta-version with pride, had he not been a simple program. Unfortunately, he had not…