// expect: 5/11/7/
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(10); }
fn main() {
	const n = 5;
	const m = n * 2 + 1;
	int[m] a;
	const int k = 7;
	pn(n); pn(len(a)); switch (7) { case k: pn(k); }
	return 0;
}