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.

6946 + 6834 - 1169 + 9756 + 2063 - 4750 - 425 + 1121 + 8155
-14639

4264 - 4438 + 3871 + 7585 - 540 - 3455 - 6016
7257

8341 + 9380 + 1335 - 7889 - 5698

11213