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: 605 @ 9301 @ 640 # 9148 # 8015

A: -6617
****
Q: 7376 @ 9212 @ 1713 # 9993

A: 8308
****
Q: 5115 # 9683 @ 1425 @ 5686 @ 9663 # 3163 # 323 @ 7766 # 396

A:
16090
****