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: 9938 # 267 # 6696 # 8186 # 5729 # 8517 # 6331 @ 7607

A: -18181
****
Q: 5631 # 7224 @ 9746 # 8532 @ 8996 # 3971 # 8538 @ 5270 # 9789

A: -8411
****
Q: 8521 # 7325 # 8529

A:
-7333
****