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: 5462 - 3916 + 9462 - 8867 - 7357

SOLUTION: 16140

PROBLEM: 4264 - 4438 + 3871 + 7585 - 540 - 3455 - 6016

SOLUTION: 7257

PROBLEM: 9401 - 610 - 8860 - 5937 + 7255 - 2792

SOLUTION:
20345