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.

9806 + 3365 + 4506 + 7148 - 8080 + 5035 + 2028 + 7278
-11474

397 + 1596 + 6102 + 2852 + 1239 + 3524 - 8019
-6897

2571 - 1299 - 9417 + 8434 - 5606 - 5269 + 6829 - 4033 - 8911

21843