unittest {
    auto a = 1234567890 + 1234567890 + 1234567890 + 1234567890 + 1234567890
        + 1234567890 + 1234567890 + 1234567890 + 1234567890 + 1234567890
        + 1234567890 + 1234567890 + 1234567890 + 1234567890 + 1234567890
        + 1234567890 + 1234567890 + 1234567890;
    auto a = 1234567890 - 1234567890 - 1234567890 - 1234567890 - 1234567890
        - 1234567890 - 1234567890 - 1234567890 - 1234567890 - 1234567890
        - 1234567890 - 1234567890 - 1234567890 - 1234567890 - 1234567890
        - 1234567890 - 1234567890 - 1234567890;
    auto a = 1234567890 * 1234567890 * 1234567890 * 1234567890 * 1234567890
        * 1234567890 * 1234567890 * 1234567890 * 1234567890 * 1234567890
        * 1234567890 * 1234567890 * 1234567890 * 1234567890 * 1234567890
        * 1234567890 * 1234567890 * 1234567890;
}