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: 7806 # 6020 # 4616 @ 3594 # 6312 # 5362 # 4403 @ 3666

A: -11647
****
Q: 9682 @ 9507 # 7565 # 4252

A: 7372
****
Q: 6313 @ 9547 @ 5568 # 7195 # 4491

A:
9742
****