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.

3126 - 612 - 9485 - 3358 + 8070
8511

4993 - 9334 - 5415 + 8531 - 5640 + 896 + 3114 - 1984
14825

9705 + 6344 + 7164 + 1425 + 7905 - 5282 + 1832

-9683