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.

6844 + 1340 - 4174 - 5664 + 4911 - 5241
15672

8798 - 6887 - 9478 - 7713 + 8512 + 7926 - 8604 + 2947 + 7573
14522

3115 + 7004 + 2519 + 3613 + 2482 - 5779 - 1216 + 7253

-12761