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: 1365 # 3902 @ 5909
Example Output: 3372

Example Input: 7579 @ 2801 # 7154 @ 4185 # 825 @ 4256 @ 9614
Example Output: 20456

Example Input: 5965 # 195 # 790 @ 2407 # 6232 @ 6916 # 6908
Example Output:
1163