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: 2475 # 126 @ 138 # 2303 # 5327 # 6412 # 9849 # 8474 # 6460
Example Output: -36338

Example Input: 6472 # 6421 @ 7649 @ 4005
Example Output: 11705

Example Input: 4183 # 4176 # 5069 # 6064 # 6102 @ 5701
Example Output:
-11527