TASK DEFINITION: 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.
PROBLEM: 8802 - 6452 - 1721 - 4775 + 1838 + 4933 + 9964 - 6909

SOLUTION: 11924

PROBLEM: 7733 - 8455 - 6291 - 3837 - 994

SOLUTION: 27310

PROBLEM: 868 - 9218 - 5219 + 9287 - 4594 - 8541 + 3623

SOLUTION:
15530