Please solve this question

2. Evaluate the following surface integral: I = Ldydz + Maxdz + Ndxdy, JS where S is the surface formed by the union of the upper half of the sphere a +y- + 2 = 9 and the disk x2 + y' = 9 in the plane z = 0, L(x, y, 2) = x22, M(x, y, z) = xzy -23, and N(x, y, 2) = 2xy + y2z