// expect: 14/7/21/5/1/12/4/2/
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(10); }
fn main() {
	int a = 7;
	a += 7; pn(a);
	a -= 7; pn(a);
	a *= 3; pn(a);
	a /= 4; pn(a);
	a %= 2; pn(a);
	a = 12; pn(a);
	a &= 6; pn(a);
	a ^= 6; pn(a);
	return 0;
}