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: 3394 - 2316 - 9713

SOLUTION: 15423

PROBLEM: 3997 - 5279 - 8866 - 8214 - 3538 + 6690 - 4565 + 30

SOLUTION: 27739

PROBLEM: 5069 - 4270 + 8421 + 131 + 8390 + 6467 - 3946 - 9029

SOLUTION:
-1095