1  &fras ⊣ &args
2  
3  ⊜□⊸≠@\n :⊜□¬⊸∊", "°$"_\n\n_"
4  
5  DP ← |2 memo(⨬(/+≡◇DP▽≡≍⊙⍚⊃⬚@\0↙↘⟜≡◇⧻⊙∩¤,|1)=0⊸⧻)
6  
7  ∩/+⟜↧₁wait≡◇poolDP⊙¤