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: 8997 @ 8611 # 604 @ 1810 # 1906 @ 5956

A: 22864
****
Q: 4779 # 3098 @ 3966 # 846 @ 6101 # 9736 # 5118 @ 7342

A:
3390
****