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

6666 + 4068 + 1057 + 5398 + 7947
-11804

4515 - 59 + 9492

-4918