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.

6667 - 31 + 1584 - 1542 - 6475 + 9319 + 2509 - 1895
3198

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

5292 + 3623 + 7450

-5781