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: 2307 # 9363 @ 4926 @ 5635

A: 3505
****
Q: 643 @ 9262 # 6489 @ 1803 @ 6271

A: 11490
****
Q: 8825 # 1737 # 9534 # 9059 # 1379 # 431 @ 7035

A:
-6280
****