Problem: sum of two cubes

Code: sum+of+two+cubes/tails_1658985162

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)

! (zip with) 
    "397 " (string) 
    < (take) <--arg( A ) 
        10 (integer) 
        _ (= fstLine) 
    = (zipop: subscript)