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.

2500 + 3268 - 574 + 5695 - 2143 + 404 - 196
-3954

1860 - 6675 + 8615 + 485 + 6302 - 3385 + 1568
-5050

3396 + 9047 - 5174 - 8255 - 8513

16291