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.

4242 - 1088 - 4873 + 766 + 1641 + 7003 + 7327 + 5270
-11804

2848 - 3478 + 9230 + 3585 + 8537 - 3821
-11205

950 + 3653 + 9224 - 3435 + 4352 - 493

-12351