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]: 2307 # 9363 @ 4926 @ 5635
[A]: 3505


[Q]: 9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385
[A]: -9002


[Q]: 578 @ 4099 # 2816 @ 6921 @ 1017 @ 711 # 7060
[A]:
3450