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: 5137 @ 4207 @ 1156

A: 10500
****
Q: 5193 # 9816 # 9875 # 1011 @ 1147 @ 5023

A: -9339
****
Q: 3499 # 5093 # 8673 # 5949 @ 5545 @ 5193 # 2832

A:
-8310
****