fn total(values: list<i64>) -> i64 {
    return values[0] + values[1] + values[2];
}
fn start_main() -> i64 {
    let values: list<i64> = [3, 4, 5];
    if (length(values) not match 3) { return 1; }
    if (total(values) not match 12) { return 2; }
    let bytes: list<u8> = [0, 255];
    if (length(bytes) not match 2 or bytes[0] not match 0 or bytes[1] not match 255) { return 3; }
    let fractions: list<f64> = [0.5];
    if (fractions[0] not match 0.5) { return 4; }
    print("12");
    return 0;
}