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:
6567 + 2835 + 6725
answer:
-2993


question:
5473 - 4337 - 6499 - 9119
answer:
25428


question:
7466 - 680 - 8909
answer:

17055