# code: http://golf.shinh.org/reveal.rb?Code+Festival+A+If+you+cannot+solve+this/tails_1642142485&nbb
# target Nibbles version: 0.21
# commenter version: 0.1.2.181

? #(if/else):[chr] 
    - #(subtract):int 
        * #(multiply):int 
            * #(multiply):int 
                = #(subscript (wrapped)):int 
                    2 #(integer):int 
                    ints #(_):[int] 
                ~ #(auto = 2):auto 
            fstInt #($):int 
        + #(sum):int 
            >> #(tail):[int] 
                ints #(_):[int] 
    \A 
    "Pass" #(string):[chr] 
    "Fail" #(string):[chr]