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.

3225 + 3857 + 8462 + 230 - 2831 + 8706 + 9484 + 6655 - 2926
-28412

5316 + 506 - 8402
13212

5964 + 2336 - 6119 + 2379 + 7436 - 5898 - 2754

8584