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]: 6267 @ 3545 @ 4904 @ 4580
[A]: 19296


[Q]: 9487 # 9520 @ 4047
[A]: 4014


[Q]: 1995 @ 5010 # 1344 @ 4336 # 7119
[A]:
2878