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]: 7065 # 7713 # 7473 # 664 # 8030
[EX A]: -16815

[EX Q]: 9285 # 5492 @ 6629 # 5477 @ 5969 # 8754
[EX A]: 2160

[EX Q]: 4992 @ 2326 # 1190 @ 9399 @ 3915 # 2054 # 5242
[EX A]:
12146