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:
4101 + 2536 - 502
answer:
2067


question:
5292 + 3623 + 7450
answer:
-5781


question:
4321 - 4423 + 6444 + 1730 - 2443 + 5786 - 3004
answer:

231