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: 1721 # 7193 # 7392 # 8999 # 7847 @ 5571 @ 4439 @ 7158 # 6030

A: -18572
****
Q: 1021 # 2896 # 8239 # 5207 # 1962 # 5346

A: -22629
****
Q: 8204 @ 3179 # 7032 @ 197 @ 7194

A:
11742
****