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: 2931 @ 2088 @ 4090 # 4838 # 6154 # 8570 @ 8518 @ 1737

A: -198
****
Q: 9056 @ 9894 # 9773 # 4508 # 5642

A: -973
****
Q: 7762 # 4374 # 728 @ 5978 @ 2780 # 2086

A:
9332
****