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]: 9682 @ 9507 # 7565 # 4252
[A]: 7372


[Q]: 6385 # 7829 @ 2463 @ 3411 # 652 # 5880 # 6454
[A]: -8556


[Q]: 7302 # 6632 # 419 # 9358 # 4390 @ 638 # 1474
[A]:
-14333