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

Example Input: 2781 # 1776 @ 3223 @ 7441 # 238
Example Output: 11431

Example Input: 2404 @ 4359 # 5006 # 2796 # 6139
Example Output: -7178

Example Input: 58 # 3893 # 4545 # 6541
Example Output:
-14921