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

[Q]: 6904 # 1007 @ 9690 @ 9967 @ 9620 @ 4765
[A]: 39939


[Q]: 445 # 5783 # 3236 # 9634 # 2299 # 2757 @ 3895 @ 5353 # 5757
[A]: -19773


[Q]: 3007 @ 8777 # 8750
[A]:
3034