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: 4101 @ 5888 # 877 # 7900 # 6062 @ 6246
Example Output: 1396

Example Input: 8420 # 3878 @ 6292 @ 5021 # 3779 @ 2398 @ 5454 @ 5912
Example Output:
25840