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:
4226 - 3951 + 2613
answer:
5564


question:
2113 - 9339 + 3752 + 8710 + 3541 + 3240 + 6148 + 2019
answer:
-15958


question:
6878 - 1718 - 4358 + 3586 + 9771 - 1797 + 7903 - 5943
answer:

-566