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.

4624 + 1072 + 9261 + 232 - 7837
1896

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

4652 - 7664 + 9922 + 9479

-7085