优化目标 13行75步
JUMP init out: COPYFROM 0 OUTBOX init: INBOX COPYTO 0 JUMP main switch: ADD 0 COPYTO 0 main: INBOX JUMPZ out SUB 0 JUMPN switch JUMP main
JUMP init out: COPYFROM 0 OUTBOX init: INBOX COPYTO 0 main: INBOX JUMPZ out SUB 0 JUMPN switch JUMP main switch: ADD 0 COPYTO 0 JUMP main
JUMP init out: COPYFROM 0 OUTBOX init: INBOX COPYTO 0 main: INBOX JUMPZ out COPYTO 1 COPYFROM 0 SUB 1 JUMPN main COPYFROM 1 COPYTO 0 JUMP main