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: 5604 # 514 # 150 @ 4349 @ 958 # 6247 # 8710
Example Output: -4710

Example Input: 1296 @ 9756 @ 2493 @ 9940 # 5147 # 5428 # 5741 # 828
Example Output: 6341

Example Input: 4175 # 6551 @ 3439 # 1650
Example Output:
-587