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


[Q]: 6884 @ 145 # 2208 # 5356 # 3578 @ 606
[A]: -3507


[Q]: 7461 @ 8359 # 3442 @ 3999 # 3564 @ 6985
[A]:
19798