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.

7025 + 6005 + 6548 - 4628
-900

4139 - 6541 - 2616 + 299 - 700 - 6684
20381

7390 - 4154 - 9538 - 3170 - 8014 + 6461 + 3520 + 3871 - 7754

26168