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: 8802 - 6452 - 1721 - 4775 + 1838 + 4933 + 9964 - 6909

SOLUTION: 11924

PROBLEM: 519 - 9471 - 7173 - 34 - 5123 + 9104 - 2340 + 7208 - 3693

SOLUTION: 12041

PROBLEM: 6073 + 2695 + 3778 - 9860 - 7009 + 9519 + 9142 - 7019

SOLUTION:
4827