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: 6472 # 6421 @ 7649 @ 4005

Answer: 11705


Question: 8769 @ 9595 # 7775 # 3412 # 7 @ 4689 # 4368

Answer: 7491


Question: 2907 # 4078 # 889 # 6028 # 5293 @ 4928 # 8735 @ 3123

Answer:
-14065