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: 4148 + 9216 - 5756 - 5558 + 2801 - 7501 + 1939 + 3102 + 6894

SOLUTION: -989

PROBLEM: 4483 + 3021 - 5582 - 3918 + 8842

SOLUTION: 2120

PROBLEM: 2833 + 3842 + 9032 - 4949 + 4886 - 8645

SOLUTION:
-1333