# code: http://golf.shinh.org/reveal.rb?pascal+golf/tails_1693450823&nbb
# target Nibbles version: 1.00
# commenter version: 0.1.2.181

? #(if/else):[chr] 
    `& #(bit intersection):int 
        ; #(save):int 
            `r #(read int):int 
                fstLine #(@):[chr] 
        sets A 
        ; #(save):int 
            - #(subtract):int 
                A #($):int 
                ~ #(auto = 1):auto 
        sets B 
    \C 
    fstLine #(;@):[chr] 
    : #(append):[chr] 
        B #($):int 
        "and x" #(string):[chr]