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: 4272 + 6013 - 9409 - 6130 + 9575 + 2198

SOLUTION: 2025

PROBLEM: 1788 + 4847 - 9342 - 2397

SOLUTION: 8680

PROBLEM: 4564 - 5333 - 6655 - 7071 + 7011 + 7581

SOLUTION:
9031