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: 6472 # 6421 @ 7649 @ 4005

A: 11705
****
Q: 8929 # 6145 @ 8551 # 1836 @ 9159

A: 18658
****
Q: 2828 @ 8768 @ 3327 # 6766 @ 7363 @ 1762 # 1067 @ 3252

A:
19467
****