Lines & Planes in Space · Medium problem

The lines $\mathbf r_1(t) = (1, 2, 0) + t\langle 1, -1, 2\rangle$ and $\mathbf r_2(s) = (4, -1, 5) + s\langle 2, -2, 3\rangle$ intersect at one point. Find the sum of the coordinates of that point.