ld x = 30.619, y = -0.002, z = 128 + x*y;
    cout << z << endl;
    z = abs(z);
    for (int i = (1 << 16); i >= 1; i >>= 1) {
        if (z >= i)
            cout << 1,
            z -= i;
        else
            cout << 0;
    }
    cout << '.';
    while (z) {
        z *= 2;
        cout << int(z);
        z -= int(z);
    }