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.

473 - 2568 + 9771 - 2525 + 3277 + 261 - 8230 + 6021
-5534

7409 + 7579 + 4759 + 5088
-10017

961 + 6850 + 8855 - 9773 + 2351 + 8574 - 2337

-13559