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:
8901 - 4785 + 1969 + 5985 + 517 + 5651 + 170
answer:
-606


question:
8213 + 7145 + 5203 - 2621 + 1654 - 1844
answer:
-1324


question:
7600 - 427 + 1816 - 5605 + 6794 + 7489 + 2172 + 5162
answer:

-9801