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: 4242 - 1088 - 4873 + 766 + 1641 + 7003 + 7327 + 5270

SOLUTION: -11804

PROBLEM: 6368 + 9565 - 7042 - 1940 - 9960

SOLUTION: 15745

PROBLEM: 509 + 4840 + 5618 + 9163 + 802

SOLUTION:
-19914