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: 16 @ 4157 @ 3953 @ 8863

A: 16989
****
Q: 9924 @ 6266 # 7022 # 7976 # 2541 @ 5396

A: 4047
****
Q: 6630 @ 5860 # 5636 # 218 @ 6595 # 5915

A:
7316
****