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.

1256 - 3248 - 3709 - 3019
11232

8737 - 2978 - 6717
18432

9964 + 5009 - 6772 + 8761 + 2075 + 6292 + 4157 + 5194

-14752