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: 2306 - 650 - 3209

SOLUTION: 6165

PROBLEM: 2591 - 5867 - 9565

SOLUTION: 18023

PROBLEM: 4587 + 2440 + 8713 + 8424 - 776 + 8874 - 9063 - 406 - 1661

SOLUTION:
-11958