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.

8085 + 9109 - 9653
8629

4287 + 3355 + 4251 + 7433 + 7069
-17821

1852 - 1205 - 3650 + 1201 - 279 - 2115

7900