# code: http://golf.shinh.org/reveal.rb?Modular+Exponentiation/tails_1646227623&nbb
# target Nibbles version: 0.24
# commenter version: 0.1.2.181

#(implicit foldl1):int 
    : #(append):[int] 
        2 #(integer):int 
        , #(range from 1):[int] 
            $ #(= fstInt):int 
    % #(modulus):int <--arg( B:int A:int ) 
        ^ #(pow):int 
            @ #(= A):int 
            10 #(integer):int 
        ^ #(pow):int 
            ~ #(auto = 10):auto 
            ;_ #(= sndInt):int