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: 7025 + 6005 + 6548 - 4628

SOLUTION: -900

PROBLEM: 2977 - 4470 - 76 + 164 + 8433 - 2054 - 4953

SOLUTION: 5933

PROBLEM: 3371 + 3829 - 7379 - 5402 + 4747 + 9701 - 7561

SOLUTION:
5436