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
--------
Question: 6340 # 5642 @ 8051 # 3877 # 2824 # 3105 # 9957 @ 9874 # 6399

Answer: -7539


Question: 4400 @ 9261 @ 3016

Answer: 16677


Question: 2146 @ 7036 @ 5558 @ 2515 @ 1055

Answer:
18310