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]: 331 # 9967 @ 21 @ 480 # 3926 @ 8770 @ 5909 @ 6288 # 1226
[A]: 6680


[Q]: 2416 @ 4557 @ 9089 @ 8858
[A]: 24920


[Q]: 7239 @ 5850 # 4224 @ 5136 @ 1744
[A]:
15745