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: 3462 @ 9743 @ 8298

A: 21503
****
Q: 1664 # 2003 # 3533

A: -3872
****
Q: 8275 @ 5627 # 1719

A:
12183
****