// expect: 2/16961/9/5208208757389214273/73/
include rt;
void pn(int x) { rt.put_n(x); rt.put_c(10); }
fn rd(a, i) { return asm { a @ i @ + @ }; }
fn main() {
	bstr t = b"AB";
	pn(rd(t, 0)); pn(rd(t, 1));
	bstr u = b"ABCDEFGHI";
	pn(rd(u, 0)); pn(rd(u, 1)); pn(rd(u, 2));
	return 0;
}