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: 8666 + 80 + 2370 - 4680 - 3944 + 3621 + 4402 - 5171

SOLUTION: 11988

PROBLEM: 5292 + 3623 + 7450

SOLUTION: -5781

PROBLEM: 1182 - 5672 - 2950 - 8990

SOLUTION:
18794