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:
8839 + 4786 - 7068 + 5502 + 1623 - 1959 - 8567 + 3743 + 4578
answer:
6201


question:
9085 + 2845 - 6159 + 1404 + 2110 - 8797
answer:
17682


question:
1297 + 9891 - 6124
answer:

-2470