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.

8403 + 1868 + 5827 + 5471 - 3746 + 1027 - 5777
3733

1691 - 755 + 5734 - 4774 + 4915 - 7249 - 47
3867

302 - 9572 - 7048 + 4798 - 5457

17581