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.

9842 + 5573 - 5322 - 4612 + 489 - 1030 + 6611 + 2045 + 9627
-3539

5773 - 2989 + 8993 + 6702 + 2237 - 1402 - 4236 - 1857
-1675

1897 + 3497 - 2153

553