1  &fras ⊣ &args
2  
3  Digits ← ≡(□¤)+@1⇡9
4  Words  ← {"one" "two" "three" "four" "five" "six" "seven" "eight" "nine"}
5  
6  ⊜□≠@\n.
7  
8  ⊂Words,,¤Digits
9  ∩(/+≡◇(+×10∩⊢⟜⇌ ▽⊸≠0 /+×+1⇡9 /↥≡≡◇⌕⊙(¤¤))¤)