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: 597 + 4303 + 4507 + 4779 - 8079

SOLUTION: -4913

PROBLEM: 5610 - 3034 + 9312 + 7337 + 2731 + 8581 + 5926 - 2102 + 2137

SOLUTION: -25278

PROBLEM: 6117 - 7831 + 2871 + 3638 - 9187 - 1834 + 2546 - 5495

SOLUTION:
21409