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: 7775 @ 8190 # 2579 @ 1003

A: 14389
****
Q: 9487 # 9520 @ 4047

A: 4014
****
Q: 7742 @ 6999 @ 3966 # 7029

A:
11678
****