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: 722 # 9533 @ 3199 @ 4825 @ 817

A: 30
****
Q: 1162 @ 622 # 7209 @ 3448

A: -1977
****
Q: 3260 # 1419 @ 8180 # 2370 # 4501 @ 8731 # 1519 # 7885

A:
2477
****