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: 5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399

A: -269
****
Q: 693 # 2562 @ 733 # 3913 @ 310

A: -4739
****
Q: 3844 # 7891 # 7542 @ 8724 @ 942 # 3782 @ 1841 @ 464 @ 2556

A:
-844
****
