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:
3915 + 4904 + 4887 + 7162 - 3798 + 233 + 1101 - 7758 - 4627
answer:
1811


question:
8885 - 9148 - 6665 - 7609 + 4183 + 3591 + 5158 - 5649 + 9511
answer:
15513


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

-5439