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: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817

A: 16765
****
Q: 2853 @ 2447 @ 3565

A: 8865
****
Q: 7116 # 2245 # 8689

A:
-3818
****