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: 826 # 6501 # 223 @ 9761 # 8863

A: -5000
****
Q: 3935 # 7500 # 205 # 7262 # 5754 @ 116 # 8451 # 9591

A: -34712
****
Q: 893 @ 4852 # 4091

A:
1654
****