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: 7163 + 3916 + 4926 + 2532 - 2743 - 5389 + 7290

SOLUTION: -3369

PROBLEM: 2372 + 1272 - 6861 - 1715 - 7374 + 9798 - 7485

SOLUTION: 14737

PROBLEM: 8274 - 1427 + 4435 - 4346 - 191 - 6845 + 2602 + 5766

SOLUTION:
8280