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.

8053 - 8275 + 3672 - 7233 + 8748 - 1270 - 6997 - 7566 + 5689
21285

4310 + 5678 + 9065 - 8181 + 5925 - 3189 + 558
-5546

3643 - 2527 + 8691 - 4910 - 6316

8705