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: 8571 - 5985 + 8912

SOLUTION: 5644

PROBLEM: 3968 + 5044 + 8713

SOLUTION: -9789

PROBLEM: 3800 - 5673 - 9415 - 8753 + 9530 + 3362 + 7239 + 4147

SOLUTION:
3363