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.

4151 + 4432 - 9403 + 9800 - 901 + 5508 + 3237
-8522

3997 - 5279 - 8866 - 8214 - 3538 + 6690 - 4565 + 30
27739

1862 - 9486 - 6019 + 8068 + 2998 + 7769 + 8443 + 6486 + 4747

-21144