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.

9485 + 6349 - 1527 - 4730 - 5865 + 851 - 7415 - 3548 + 2868
22502

3171 - 3678 - 3096 - 5842 - 3188
18975

3691 + 9340 - 5216 - 7900 + 8361

-894