// expect: 9/9/
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(10); }
fn main() {
	int a, b;
	b = (a = 4) + 5;
	pn(b);
	int[2] arr;
	pn(arr[1] = 9);
	return 0;
}