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: 8571 - 5985 + 8912

SOLUTION: 5644

PROBLEM: 2514 - 3539 - 8491 + 7351 - 1448

SOLUTION: 8641

PROBLEM: 7562 - 4744 + 3176

SOLUTION:
9130