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.

Q: 3681 + 1303 + 5556 + 9895 - 5012 - 6662

A: -1399
****
Q: 8301 - 6117 + 9106 + 2168 - 4036 - 2644 + 8999

A: 825
****
Q: 6618 - 2842 - 6306 - 3697 + 8068 + 2468

A:
8927
****