namespace;
include rt;

int get(word t, int i) {
	if (i >= 4) rt.oob(i, 4); return t[i];
}

int sum(word t, int n) {
	int s = 0, i = 0;
	while (i < n) {
		s = s + get(t, i);
		i++;
	}
	return s;
}

int where() {
	rt.trace();
	return 1;
}

int outer() {
	int r = where();
	return r;
}

int main() {
	word t = rt.new(4);
	t[0] = 1; t[1] = 2; t[2] = 3; t[3] = 4;
	rt.put_n(outer());
	rt.put_c(10);
	rt.put_n(sum(t, 4));
	rt.put_c(10);
	rt.put_n(sum(t, 5));
	return 0;
}