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:
9713 + 8053 - 1782 + 6126 + 5918 + 968 - 2071 - 879 + 558
answer:
-7178


question:
2078 + 3891 + 2060
answer:
-3873


question:
597 + 4303 + 4507 + 4779 - 8079
answer:

-4913