TASK DEFINITION: In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer
PROBLEM: 9540 # 9387 # 8692 @ 5008 # 4886 @ 9427 @ 3816

SOLUTION: 4826

PROBLEM: 5038 @ 8417 @ 7931 @ 7414 @ 5627 # 6512 # 5503

SOLUTION: 22412

PROBLEM: 4133 # 5949 @ 5322 # 4947 # 6841 @ 9376 @ 5699 @ 4855

SOLUTION:
11648