s ::= set stack

q ::= set queue


< ::= push(acc)

> ::= acc = pop()


+n ::= acc += n

+a ::= acc += acc

-n ::= acc -= n

-a ::= acc = -acc

*n ::= acc *= n

*a ::= acc *= acc

/n ::= acc /= n

/a ::= if (acc) a = 1; else acc = 0; // 삭제될 가능성 있음

%n ::= acc %= n

%a ::= acc = 0


i(c|d|f)::= scanf("%(c|d|f)", &acc)

o(c|d|f)::= printf("%(c|d|f)", acc)

o".*" ::= puts(".*")


z ::= if (acc == 0)

n ::= if (acc != 0)

추가 예정