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: 7757 # 4475 @ 6447 # 2209 # 9966

A: -2446
****
Q: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817

A: 16765
****
Q: 3652 # 2432 # 8212 # 3860 @ 8903 @ 239 # 3977

A:
-5687
****