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.

4291 + 2761 - 4339 + 8922
-3053

8135 - 2883 + 7793 - 4176
7401

7302 - 6674 - 774 + 6593 - 613 - 2247 + 7277

3740