Instructions: 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
Input: 2859 # 2534 # 5971 # 5405 # 5877 @ 539 @ 4288 @ 7838 # 4956
Output:
-9219