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.

8885 - 9148 - 6665 - 7609 + 4183 + 3591 + 5158 - 5649 + 9511
15513

7403 - 3327 + 5889 + 1034 + 1607 - 313
2513

2927 + 1290 - 2814 - 6438 - 693 + 9520 - 3201

5263