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]: 2787 @ 3800 # 142 # 7750 # 8581 @ 5447 @ 1512 @ 6550
[A]: 3623


[Q]: 473 # 2568 @ 9771 # 2525 @ 3277 @ 261 # 8230 @ 6021
[A]: 6480


[Q]: 9656 # 4724 # 5628 @ 3964
[A]:
3268