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: 643 @ 9262 # 6489 @ 1803 @ 6271

A: 11490
****
Q: 4238 # 9059 # 3579 @ 2750 # 6861 # 5756 @ 9729

A: -8538
****
Q: 2908 # 432 @ 2020 @ 1605 # 1771 # 6078 @ 2181 @ 5937

A:
6370
****