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.

136 + 9772 - 2848 - 4980 + 6156 - 883 + 5407 + 3211
-15699

4226 - 3951 + 2613
5564

795 - 9099 + 9034 + 2623

-1763