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