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.

6485 + 8165 + 4482 - 4771 + 2626 + 5500 + 8702 - 1649 + 7002
-23572

4117 - 7011 - 9534 - 3901 - 9537 + 6979
27121

4533 + 6074 - 5286 - 873 + 8688 + 2121

-6191