Pass

**Very well done David!**

I like it. Simple, elegant, readable.

Pro C Kattis tip: Use the faster `gets` instead of `scanf` when suitable. See: https://www.geeksforgeeks.org/difference-between-scanf-and-gets-in-c/

Keep it up!

> A man is smoking a cigarette and blowing smoke rings into the air. His girlfriend becomes irritated with the smoke and says, “Can’t you see the warning on the cigarette pack? Smoking is hazardous to your health!”
>
> To which the man replies, “I am a programmer. We don’t worry about warnings; we only worry about errors.”

The issue contains praise and a C programming tip but names no files, tests, or entry points to change. No concrete completion criteria are provided, so a contributor cannot identify an implementation or verify when the work is done.

Written by the indexing model from the issue text.