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: 4867 # 7162 @ 1616 # 596 # 7845 @ 9594 # 3650 @ 6833
Example Output: 3657

Example Input: 531 # 4183 # 6445 # 8517 @ 4076 # 9925
Example Output: -24463

Example Input: 6916 @ 4824 @ 3606 @ 2609 @ 9143
Example Output:
27098