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.

1656 - 2355 + 4098 + 8586 + 7634 + 9427 + 9429
-35163

7525 + 263 - 1634 + 3644 + 6905 - 167
-1486

3002 - 5636 + 606 + 6150 - 4022

5904