In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.

9085 + 2845 - 6159 + 1404 + 2110 - 8797
17682

8666 + 80 + 2370 - 4680 - 3944 + 3621 + 4402 - 5171
11988

3688 + 8159 + 5786 + 655 - 2640 - 9733 - 2027

3488