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:
1737 + 1422 + 9162 - 7244 + 6133
answer:
-7736


question:
6570 + 2902 + 9219 - 6971 + 6886 + 765
answer:
-6231


question:
2722 - 7939 + 9100 + 3366 - 6232 - 1396 + 4299 + 8248 - 4605
answer:

-2119