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

3171 - 3678 - 3096 - 5842 - 3188
18975

1355 + 6882 + 7137 + 9942 - 6899 - 1858 + 3616 - 7563 + 7096

-16998