Problem: nine thirteen

Code: nine+thirteen/kaki_1700028018

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)

+ (add) 
    % (modulus) 
        - (subtract) 
            ~ (auto = 1) 
            $ (= fstInt) 
        ; (save) -->let( A ) 
            9 (integer) 
    $ (= A)