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

3126 - 612 - 9485 - 3358 + 8070
8511

1604 + 8876 - 2584 - 5697 + 7986 + 470 + 6813 - 9910 + 4545

-8895