// expect: 1/0/2/
// spec 4.3
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(10); }
fn main() {
	if (5) pn(1); else pn(9);
	if (0) pn(9); else pn(0);
	if (-3) pn(2);
	return 0;
}