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: 3980 + 6122 + 3529 - 9952

SOLUTION: 4281

PROBLEM: 7149 - 7250 - 2026 - 4929 - 5525 + 1967 + 895 + 4245 - 720

SOLUTION: 20492

PROBLEM: 2672 + 2485 + 9464

SOLUTION:
-9277