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: 1162 @ 622 # 7209 @ 3448

A: -1977
****
Q: 519 @ 5751 @ 8900 @ 3476 # 8727 # 9607 # 350 @ 8481

A: 8443
****
Q: 3242 # 5720 @ 25 @ 7903 @ 6858 # 659 @ 8242

A:
19891
****