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: 1861 - 3929 + 4952 - 8280

SOLUTION: 9118

PROBLEM: 5979 - 9772 + 7332

SOLUTION: 8419

PROBLEM: 5245 - 4418 + 690 + 3949 + 2566 + 5517 - 811

SOLUTION:
-2248