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.

1887 - 5213 + 516 - 4107 - 7681 - 125 - 1788 + 124 - 1460
21621

808 - 4935 + 288 + 9758 + 8690 + 384 + 4674 + 5769 - 8736
-15084

3900 - 7337 - 9185 + 2310 - 2695

20807