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.

1673 - 3914 + 8016 + 5937 - 8915 + 4818
-4269

5860 + 3039 - 7874 - 3584 - 144
14423

3778 - 4278 - 8781 + 6620

10217