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: 958 # 263 # 1097 @ 3868 # 3982

A: -516
****
Q: 5110 # 9803 @ 2485 # 1678

A: -3886
****
Q: 6506 # 8715 @ 5800 @ 1904 @ 3642

A:
9137
****