# code: http://golf.shinh.org/reveal.rb?Accumulate+Value+in+Reverse/tails_1652160504&nbb
# target Nibbles version: 0.25
# commenter version: 0.1.2.181

`\ #(special scans):[int] 
    \ #(reverse):[int] 
        _ #(= ints):[int] 
    + #(foldop: add):null