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.

9060 + 6995 - 9090 + 8450 - 5246 + 5012
2939

5292 + 3623 + 7450
-5781

7262 - 780 - 7594 - 6010 - 3629 - 4693 + 9900

20068