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: 636 # 9939 @ 3769 @ 8322 # 3343 @ 8680 # 1129 # 9882 # 3400

A: -6286
****
Q: 5406 @ 9263 @ 7443 @ 6591 # 7496 @ 2721 # 7867

A: 16061
****
Q: 2804 @ 5624 # 6431 @ 9691 # 1774 # 1793 @ 5044 # 1566

A:
11599
****