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.

2596 + 8164 - 6385 + 6704
-5887

5394 + 9787 - 7151 - 4774 - 6995 + 6101 - 1317
9743

7161 - 6063 - 3489 - 267 - 9537 - 5677 + 1968 + 2248 - 508

28486