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.

4700 + 6640 + 3352 - 3114 - 7674 - 8204 + 8654 + 8091 - 2969
-76

5661 + 5694 + 8212 - 8431 - 6340 + 4336 + 2022 - 5623
5791

2226 + 7651 + 7758 - 8528 + 5554 - 3235

-6974