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: 6904 # 1007 @ 9690 @ 9967 @ 9620 @ 4765

A: 39939
****
Q: 5406 @ 9263 @ 7443 @ 6591 # 7496 @ 2721 # 7867

A: 16061
****
Q: 1998 @ 8352 # 7443 @ 8319 # 4843 @ 3054 @ 9926 @ 5746

A:
25109
****