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.

8711 + 5319 - 3967 - 9285 + 2276
14368

4377 + 5604 - 8336 - 2652
9761

2689 + 4242 - 77 + 8794 - 1991 + 4650

-12929