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

2603 + 1868 - 4242
4977

5541 + 3201 - 3117 - 7674 - 6152 + 8660 - 7334 + 1702

16255