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: 9551 @ 4169 # 3026 @ 616 # 5398 # 6695 # 5831 # 898 # 1255
Example Output: -8767

Example Input: 5837 # 1015 # 4725
Example Output: 97

Example Input: 1726 # 8741 # 4417
Example Output:
-11432