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:
9085 + 2845 - 6159 + 1404 + 2110 - 8797
answer:
17682


question:
3186 + 271 - 7916
answer:
10831


question:
2012 + 1657 + 1583 - 1640
answer:

412