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:
6639 - 5724 - 3521 - 6709 - 6185 + 6067 + 9560 - 9829 + 8371
answer:
14609


question:
8098 + 8922 - 9716 + 5360
answer:
3532


question:
2545 - 5924 + 1441
answer:

7028