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:
8243 + 5509 - 2652 - 916 - 1636 + 9824
answer:
-1886


question:
7451 + 2964 + 1609 - 9543 - 679 + 381 - 9788 - 8125
answer:
30632


question:
4636 + 6697 - 3477
answer:

1416