class Test {
    public static void main(String[] args) {
        boolean a = true;
        boolean b = true;
        boolean c = true;
        boolean d = true;
        boolean e = true;

        if (a = b |= (c) = ((d &= e))) ;
        while ((((((a = b)))))) ;
        do {
        } while ((((a) ^= (b))));
    }
}