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: 605 @ 9301 @ 640 # 9148 # 8015

Answer: -6617


Question: 7894 @ 7649 # 4792

Answer: 10751


Question: 1915 # 2111 @ 3144

Answer:
2948


