Problem: Crazy operation in Malbolge EASY

Code: Crazy+operation+in+Malbolge+EASY/tails+%28mitchs.gs%29_1710146399

Nibbles version: 0.2 | 0.21 | 0.22 | 0.23 | 0.24 | 0.25 | 1.00

Format: Compact | Simple | +Type | Table | JSON | .nbl (DeBruijn) | .nbl (names)

: (append) 
    . (map) 
        `' (transpose) 
            % (split (remove empties)) 
                @ (= fstLine) 
                ~ (auto = words) 
        % (modulus) <--arg( A ) 
            `^ (bit xor) 
                ^ (pow) 
                    `r (read int) 
                        $ (= A) 
                    3 (integer) 
                337 (integer) 
            3 (integer) 
    ~ (auto = [])