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: 1278 @ 4628 @ 2357 @ 3694 @ 5775 @ 8542 # 793

A: 25481
****
Q: 4970 @ 8711 @ 6188

A: 19869
****
Q: 7397 # 7341 # 9871 @ 4866 # 994 # 2834 @ 7966

A:
-811
****