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: 5856 - 8885 - 8510 + 7879 + 2100

SOLUTION: 13272

PROBLEM: 8967 + 529 - 1163 - 2651 + 7174 - 2929

SOLUTION: 8007

PROBLEM: 8625 - 7177 + 4191

SOLUTION:
11611