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: 4317 # 7384 # 3193 # 3098 @ 2863 @ 1149 @ 7824 # 4889
Example Output: -2411

Example Input: 2367 @ 4877 @ 8467 @ 5488 # 987 # 8899
Example Output: 11313

Example Input: 5314 # 6967 # 9312 @ 9781 # 4852 # 8153 # 1367
Example Output:
-15556