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:
4899 + 5775 - 8386 + 4273
answer:
3237


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


question:
2454 - 7940 + 2775 - 9638 + 213 - 9629
answer:

26673