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: 2432 + 588 - 6240 + 8670

SOLUTION: -586

PROBLEM: 9808 + 7071 + 9458 - 8326 - 6406 - 6771 - 1321 + 4712

SOLUTION: 11391

PROBLEM: 2845 - 4949 - 2665 + 5560 - 9421 - 261 + 8489 + 925 - 8900

SOLUTION:
14067