```julia
function addDigitLists(l1, l2)
    n1 = parse(Int, join(reverse(l1)))
    n2 = parse(Int, join(reverse(l2)))
    sum = n1 + n2
    return reverse(split(string(sum), ""))
end
```
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence