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:
7298 + 5069 + 5167 + 9387 - 6886
answer:
-5439


question:
4151 + 4432 - 9403 + 9800 - 901 + 5508 + 3237
answer:
-8522


question:
4449 + 4019 + 7637
answer:

-7207