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: 2349 - 9730 - 8231 + 6983 + 9097 + 6965 - 2760

SOLUTION: 25

PROBLEM: 1229 - 4354 + 912 - 1766

SOLUTION: 6437

PROBLEM: 6837 - 3019 - 6015 - 8497 - 5419 + 8605 + 581 - 6332

SOLUTION:
26933