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.

3980 + 6122 + 3529 - 9952
4281

1922 - 413 - 5668
8003

5662 + 7781 - 5682 + 864 + 6796 + 2353 + 1100 - 7566

16