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: 2969 - 5770 - 665 + 516 - 1172 + 4904 - 384

SOLUTION: 5540

PROBLEM: 5355 - 3029 - 4426 - 467 + 3089 - 2982 - 4645 - 9070 - 3676

SOLUTION: 30561

PROBLEM: 8851 - 7517 - 8671 + 3313 + 9219 + 1394 + 3200

SOLUTION:
7913