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.

3844 - 5783 + 7487
2140

8625 - 7177 + 4191
11611

1614 + 5794 - 2578

-1602