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:
4148 + 9216 - 5756 - 5558 + 2801 - 7501 + 1939 + 3102 + 6894
answer:
-989


question:
1678 - 831 + 1988 - 3248 - 7672 + 8515 + 5236 - 2764 - 6078
answer:
6532


question:
4848 + 4337 - 2323 - 9972 + 8419 + 3779 - 2872 + 7757
answer:

-4277