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: 3140 - 7915 + 2559 - 9684 + 4182 - 683 + 7754 + 763 + 4851

SOLUTION: 1313

PROBLEM: 4292 - 7663 + 6931 + 1332 + 5698 + 4887 - 9479 - 1571 - 6095

SOLUTION: 10252

PROBLEM: 8874 - 7346 - 993 + 4161 - 8239 - 5471 + 5866 + 1152

SOLUTION:
19744