fn f() i32 {
    var a = 3;
    a = 2;
    return a + 23;
}

fn f2() i32 {
    return f() + 2;
}

fn func_refer_param(b: i32) i32 {
    return b * 231 + b;
}

fn multwo(num: i32, double_flag: bool) i32 {
    if (!double_flag) {
        var value = 32;
        return value;
    }

    if (double_flag) {
        return num * 2;
    } else {
        return num;
    }
}

fn add(a: i32, b: i32) i32 {
    return a + b + (2 * b);
}

fn main() i32 {
    return 123;
}