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:
2591 - 5867 - 9565
answer:
18023


question:
3129 - 7101 - 6763 + 9310 + 4977
answer:
2706


question:
7098 + 7526 + 8757
answer:

-9185