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:
9982 + 267 - 3418 + 8741 - 63 - 1771 + 4720
answer:
1506


question:
1451 - 4488 + 4665 + 526 - 3690 + 9483
answer:
-5045


question:
30 - 7707 - 8179
answer:

15916