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: 4956 # 4259 # 3459

SOLUTION: -2762

PROBLEM: 7823 @ 4886 @ 2051 @ 1524 @ 3849 @ 5796 @ 3883 # 8285 # 2668

SOLUTION:
18859