I don't understand your example. In my book, 5 + 2 + 3 + 4 equals 14, why is the desired output 14?

As for an example of a short program, I may go for: 

perl -nE'/-/ or$x+=$_}{say$x'

[download]
But that's probably not the shortest.

In reply to Re: Counting positive numbers by JavaFan
in thread Counting positive numbers by Young Monk

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