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:
6927 - 2357 + 8911 - 4674 - 2728 + 9726 - 1304 - 3277
answer:
2630


question:
4139 - 6541 - 2616 + 299 - 700 - 6684
answer:
20381


question:
7175 - 8103 + 7509 - 5854 - 7265 - 1497
answer:

22385