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.

6815 - 396 - 2187 + 8526 + 1176 - 7273 - 9622
16591

6120 - 9271 - 7167 + 6916 - 2510 + 7854 - 7909 - 1960 - 3775
23942

5525 + 201 - 6676 - 332 - 3348

15680