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]: 3438 # 3865 # 956 # 3020 @ 2696
[A]: -1707


[Q]: 7729 # 7280 @ 5072 @ 3806 # 6060
[A]: 3267


[Q]: 2626 # 3977 @ 2980 @ 7499 @ 1493 # 6370
[A]:
4251