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 # 9805 # 8727

A: -10757
****
Q: 9807 @ 9345 # 5133 # 8042 @ 1499 # 8153 # 638

A: -1315
****
Q: 3610 @ 9425 # 4044 # 662 @ 3958 @ 1002 @ 3862 @ 7484 # 9693

A:
14942
****