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: 9485 + 6349 - 1527 - 4730 - 5865 + 851 - 7415 - 3548 + 2868

SOLUTION: 22502

PROBLEM: 5708 + 4556 - 3280 - 4490 + 6094 - 4041

SOLUTION: 6869

PROBLEM: 7288 - 7227 + 5280 + 3890

SOLUTION:
5345