instruction:
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.
question:
3909 - 4736 + 2593 + 3592
answer:
2460


question:
7581 + 8916 + 7584 + 7731
answer:
-16650


question:
1106 - 8003 + 7333 + 8830 + 3013 + 6837 + 4107 + 5458
answer:

-26469