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: 8603 @ 6832 @ 2275 # 7856

A: 9854
****
Q: 3462 @ 9743 @ 8298

A: 21503
****
Q: 144 @ 9714 # 5871 # 1266 @ 802

A:
3523
****