contract C {
    uint256 constant a = 2.5 + 7 + 0.5;
    int128 b = 6 / 3.0;
    int64 constant c = 5 * 0.5 + 0.5;
    int256 d = 1e3 + 5E2;
    uint256 e = 2 ** 255;
    uint256 f = 115792089237316195423570985008687907853269984665640564039457584_007_913_129_639_935;
    int64 constant g = -7.0;
}