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: 3980 + 6122 + 3529 - 9952

SOLUTION: 4281

PROBLEM: 4854 - 2012 + 5206 - 7285 - 579

SOLUTION: 9524

PROBLEM: 6484 - 3699 + 3828 + 7678 + 1512 - 7207 - 8589

SOLUTION:
12961