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: 1508 # 9607 @ 9117 @ 1943 # 3539 # 8743 # 2584 @ 7819

A: -4086
****
Q: 9938 # 267 # 6696 # 8186 # 5729 # 8517 # 6331 @ 7607

A: -18181
****
Q: 4460 @ 9143 # 6720 # 8379 @ 1636 # 6526

A:
-6386
****