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: 1077 @ 2451 @ 9445 @ 1297 @ 2639 # 27 # 9331 @ 8713

A: 16264
****
Q: 4449 @ 4019 @ 7637

A: 16105
****
Q: 7152 @ 8957 # 8060 # 3668 # 8713 # 9420 # 3603

A:
-17355
****