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: 519 @ 9686 @ 3145 # 9320

A: 4030
****
Q: 1731 # 9932 # 4056 # 2303

A: -14560
****
Q: 6638 @ 1751 # 222 @ 5016

A:
13183
****