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:
2144 - 4158 + 4207
answer:
2095


question:
7746 - 2667 + 1801 - 5756 - 6076 - 6701 + 3002
answer:
24143


question:
3576 + 6670 - 2358 + 2273 - 3895 - 3510 + 6289 - 270 + 5140
answer:

-6763