include rt;
include run;
include icon;
fn main() {
	let q = run.tokens("int a = 1, b = 2; return b;");
	let changed = icon.undeclare(q, "a");
	rt.put_n(changed == 0); rt.put_c(' '); rt.put_n(icon.error()); rt.put_c(' '); rt.put_n(run.eval(q)); rt.put_c(10);
	return 0;
}