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.

4397 - 3478 - 9837 - 7164 + 7972 + 3676
13228

5939 - 673 - 8282
14894

5531 + 6754 + 4963

-6186