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: 2405 @ 2160 @ 394 # 8936 # 2551 @ 5734 @ 5167

SOLUTION: 4373

PROBLEM: 2243 # 9188 # 3609 # 6813 @ 6109 @ 6045

SOLUTION: -5213

PROBLEM: 2064 # 5266 # 2023 # 590 # 6443 # 3342 @ 6140 @ 1477 @ 7305

SOLUTION:
-678