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: 3284 - 2372 - 6880

SOLUTION: 12536

PROBLEM: 220 - 5891 + 2603 + 7125 - 7551 - 3288

SOLUTION: 7222

PROBLEM: 9077 + 4213 - 2761 + 3716 - 2911 + 1158 - 8186 - 7483

SOLUTION:
21331