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: 556 + 5223 - 5888 + 4866

SOLUTION: -3645

PROBLEM: 8979 - 7069 - 6830 + 3597 + 315 - 526

SOLUTION: 19492

PROBLEM: 7715 + 7541 - 2574 + 8468 - 8165

SOLUTION:
2445