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: 8137 @ 5006 # 7743 @ 1478

A: 6878
****
Q: 4238 # 9059 # 3579 @ 2750 # 6861 # 5756 @ 9729

A: -8538
****
Q: 3833 # 2713 # 3848 @ 3217

A:
489
****