Hello, I need help with this. A solution and an explanation will be appreciated

4. Let F(x, y, z) = (z, x, y). Let C be the curve of intersection between the plane z = 2x + 2y - 1 and the paraboloid z = x2 + y oriented counter-clockwise, when viewed from above, say, at the point (0, 0, 100). Compute the line integral f, F . dr