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.

8798 - 6887 - 9478 - 7713 + 8512 + 7926 - 8604 + 2947 + 7573
14522

8839 + 4786 - 7068 + 5502 + 1623 - 1959 - 8567 + 3743 + 4578
6201

2765 - 9112 - 1367 - 7978

21222