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: 8997 @ 8611 # 604 @ 1810 # 1906 @ 5956

A: 22864
****
Q: 8137 @ 5006 # 7743 @ 1478

A: 6878
****
Q: 5894 @ 1656 # 6181 @ 8947 # 1810 # 8165 @ 5994 # 6419

A:
-84
****