# code: http://golf.shinh.org/reveal.rb?format+me/tails_1752648324&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.6.187

#(implicit map):[[chr]] 
    % #(split (remove empties)):[[chr]] 
        `( #(uncons):[chr] 
            % #(split (remove empties)):[[chr]] 
                fstLine #(@):[chr] 
                "," #(string):[chr] 
        sets A 
        ~ #(auto = words):auto 
    \C B 
    ? #(if/else):[chr] 
        `r #(read int):int 
            C #($):[chr] 
        \D 
        = #(subscript (wrapped)):[chr] 
            D #($):int 
            #(implicit arg = A):[[chr]] 
        #(implicit arg = C):[chr]