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:
335 + 4730 + 4604 - 5559 + 7282 - 7812
answer:
-2910


question:
3782 + 4127 - 1265 - 1395 + 2430 + 6990 + 8573 + 8170
answer:
-23848


question:
7217 + 2604 + 9974 + 8133 + 8987 - 6381 - 7662
answer:

-8438