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:
4854 - 3903 - 3601 - 6666 - 170 - 3411 - 1306
answer:
23911


question:
4682 - 6673 + 4582 - 2631 + 430 - 2808 + 6340 - 7201
answer:
12643


question:
614 - 1807 - 2888 + 3499 - 385 + 8871 - 1680 + 6848
answer:

-11844