include rt;
include run;
include icon;
fn main() {
	let q = run.tokens("return (1 + 2) * (5 + 3);");
	let pattern = run.tokens("$int + $int"), replacement = run.tokens("$int - $int");
	let edited = icon.rewrite(q, pattern, replacement);
	rt.put_n(run.eval(edited)); rt.put_c(' '); rt.put_n(run.eval(q)); rt.put_c(10);
	return 0;
}