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:
6646 + 4878 - 8881 - 992 + 7276
answer:
4365


question:
5355 + 1451 - 3895 + 6213 + 743
answer:
843


question:
7633 + 5496 + 4768 + 935
answer:

-3566