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

2806 # 6120 @ 8567 @ 1946 @ 8985 # 9834 # 368 # 454 @ 5455
10983

8769 @ 9595 # 7775 # 3412 # 7 @ 4689 # 4368
7491

1213 @ 7994 # 8564

643