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:
1320 + 3923 - 1080 - 3521 - 8998 + 4479 - 2559 - 7680
answer:
16756


question:
7671 - 2300 - 9650 - 6692 + 7656 + 4940 - 2878 - 5602 + 7222
answer:
14975


question:
9254 - 8211 + 3361 - 542 + 8243 + 6067 - 68 + 3407
answer:

-3003