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:
6492 - 3901 + 3666 + 9196 - 3917 - 133
answer:
1581


question:
7344 + 9206 + 3989 + 5648 - 7620
answer:
-3879


question:
2776 - 4483 + 1373 + 565 + 8624 + 9327 - 9708 - 3957 + 9164
answer:

-8129