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: 345 @ 1076 @ 7948 # 854

A: 8515
****
Q: 4558 @ 6469 @ 1154

A: 12181
****
Q: 7757 # 4475 @ 6447 # 2209 # 9966

A:
-2446
****
