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: 6492 - 3901 + 3666 + 9196 - 3917 - 133

SOLUTION: 1581

PROBLEM: 4272 + 6013 - 9409 - 6130 + 9575 + 2198

SOLUTION: 2025

PROBLEM: 1514 - 3629 + 3119 + 4939

SOLUTION:
-2915