// expect: -6/-6/6/-9/1/
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(10); }
fn main() {
	int a = 2, b = 3;
	pn(-a * b);
	pn(- a * b);
	pn(-(-a) * b);
	pn(~a * 3 + 0);
	pn(!a + 1 == 1);
	return 0;
}