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: 7961 - 5474 + 4234 - 4358 - 7627 - 2291 - 9771 + 9867 - 813

SOLUTION: 24194

PROBLEM: 4284 - 8233 + 2781 - 2769 - 5560 + 635 - 1706 + 1965 + 6794

SOLUTION: 10377

PROBLEM: 5173 + 4360 + 7576 + 687

SOLUTION:
-7450