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.

826 - 6501 - 223 + 9761 - 8863
6652

4264 - 4438 + 3871 + 7585 - 540 - 3455 - 6016
7257

1847 + 1635 + 8323 + 8480 + 104 - 907

-15788