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

[EX Q]: 6472 # 6421 @ 7649 @ 4005
[EX A]: 11705

[EX Q]: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817
[EX A]: 16765

[EX Q]: 4205 # 3714 # 3997 # 9144
[EX A]:
-12650