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]: 3615 @ 7429 @ 6810 # 207 @ 1232 # 5621 @ 6745
[A]: 20003


[Q]: 2497 # 4988 @ 8200 # 3896 @ 5601 @ 1004
[A]: 8418


[Q]: 335 @ 4730 @ 4604 # 5559 @ 7282 # 7812
[A]:
3580