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: 3275 # 8948 # 7571 @ 9566 @ 9874 @ 3226
Example Output: 9422

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

Example Input: 4720 # 7543 @ 3750 @ 6137 @ 9215 @ 1845
Example Output:
18124