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.

4287 + 3355 + 4251 + 7433 + 7069
-17821

1592 - 2894 - 9980 + 4503 - 4006 - 8338 - 6314 + 4860 + 6836
16925

931 - 9775 + 8414

2292