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.

1837 - 6362 - 226
8425

7202 - 7230 - 3695 + 2434 + 5934 + 5439 + 687 + 2011
1622

1513 - 1655 + 5958 + 8411 - 2308 - 4368 - 1484 - 2958 - 8717

8634