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.

4242 - 1088 - 4873 + 766 + 1641 + 7003 + 7327 + 5270
-11804

7961 - 5474 + 4234 - 4358 - 7627 - 2291 - 9771 + 9867 - 813
24194

8534 - 7435 + 4200 + 2952 + 6547 + 2609 - 3524 - 8312 - 9474

20971