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: 321 - 4450 - 5504 - 9901 - 295 - 7018 - 1113 - 5299 - 2387

SOLUTION: 36288

PROBLEM: 5473 - 4337 - 6499 - 9119

SOLUTION: 25428

PROBLEM: 6454 + 9714 + 523 + 8713 - 3656

SOLUTION:
-8840