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: 540 @ 8823 @ 1244 # 1696 # 889 # 6035 # 5113 @ 2513

A: -613
****
Q: 6467 # 8145 # 9388 # 9232

A: -20298
****
Q: 1104 @ 1499 # 8445 # 7513 # 6886 @ 6021

A:
-14220
****