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: 9781 # 2797 # 2134

A: 4850
****
Q: 540 @ 8823 @ 1244 # 1696 # 889 # 6035 # 5113 @ 2513

A: -613
****
Q: 4286 @ 2085 # 8347

A:
-1976
****