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:
306 + 2346 - 7752 + 7173
answer:
-1461


question:
7337 + 5801 - 8640 - 4143 - 2557
answer:
16876


question:
1213 - 6925 - 4047 + 3638 + 6409 + 5207 + 2355 + 322
answer:

-5746