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:
3421 - 71 + 7643 - 8661 + 520 - 6536 + 9411
answer:
1115


question:
4242 - 1088 - 4873 + 766 + 1641 + 7003 + 7327 + 5270
answer:
-11804


question:
6704 - 3844 - 8833 - 2112 - 5066 - 5106 - 9952 + 6221 + 1259
answer:

34137