# code: http://golf.shinh.org/reveal.rb?1+2+32+4+512/tails_1644492172&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

. #(map):[int] 
    , #(range from 1):[int] 
        $ #(= fstInt):int 
    / #(foldr1):int <--arg( A:int ) 
        | #(filter):[int] 
            . #(map):[int] 
                `, #(range from 0):[int] 
                    ~ #(auto = infinity):auto 
                ^ #(pow):int <--arg( B:int ) 
                    2 #(integer):int 
                    $ #(= B):int 
            ~ #(not):null 
            / #(foldr1):[chr] <--arg( C:int ) 
                `% #(split list (keep empties)):[[chr]] 
                    `p #(int to str):[chr] 
                        #(implicit arg = C):int 
                    #(implicit arg = A):int 
                #(implicit arg = E):[chr] <--arg( E:[chr] D:[chr] ) 
        #(implicit arg = G):int <--arg( G:int F:int )