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:
4700 + 6640 + 3352 - 3114 - 7674 - 8204 + 8654 + 8091 - 2969
answer:
-76


question:
2182 + 9010 + 7648 - 20 + 2169 + 4765 + 4119 - 8169 - 9943
answer:

-7397