Sum of Digits.

[Dieter]

(03-25-2016 05:46 PM)ggauny@live.fr Wrote:  Very thanks for your encouragements and compliments. And yours tricks !

Yes, I also like Didier's solution. Did I already say that I'm a big fan of SDL and SDR?
But now for the next challenge – the sum of digits of the sum of digits:

12345 => 15 => 6

Any solution less than four steps (!) (w/o LBL and END) is accepted.

SCNR,
Dieter