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: 3186 + 271 - 7916

SOLUTION: 10831

PROBLEM: 146 - 5209 + 892

SOLUTION: 4463

PROBLEM: 2859 - 2534 - 5971 - 5405 - 5877 + 539 + 4288 + 7838 - 4956

SOLUTION:
14937