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: 9491 + 8647 - 4571 + 8815 - 4816 - 8552 + 1794

SOLUTION: 8174

PROBLEM: 1231 + 6657 - 8263

SOLUTION: 2837

PROBLEM: 7841 - 9523 - 1242 + 934 + 842 + 5785 + 2604 + 1465

SOLUTION:
6976