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: 8717 @ 6135 # 2706

A: 12146
****
Q: 5640 @ 148 @ 7578 # 2373 # 3438 @ 4775 # 8187

A: 4143
****
Q: 2559 @ 1586 # 7514 # 9172 # 9017 # 1577 @ 8007

A:
-15128
****