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.

4286 + 2085 - 8347
10548

169 + 4940 + 7593 - 4532 + 2433 - 9730 - 6448 - 3026 - 2882
11821

8520 - 5611 - 9134

23265