# code: http://golf.shinh.org/reveal.rb?Twelve/tails_1642477453&nbb
# target Nibbles version: 0.21
# commenter version: 0.1.2.181

. #(map):[chr] 
    hex #(to hex):[chr] 
        + #(add):int 
            ; #(let):int 
                + #(sum):int 
                    . #(map):[int] 
                        fstLine #(@):[chr] 
                        \A 
                        , #(length):int 
                            | #(filter):[chr] 
                                `, #(range from 0):[chr] 
                                    A #($):chr 
                                \B 
                                \ #(char class):[chr] 
                                    B #($):chr 
                                    n #(isAlphaNum):null 
            sets C 
            * #(multiply):int 
                / #(divide):int 
                    C #($):int 
                    12 #(integer):int 
                4 #(integer):int 
    \D 
    `) #(to uppercase):chr 
        D #($):chr