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: 693 # 2562 @ 733 # 3913 @ 310
Example Output: -4739

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

Example Input: 3995 # 7175 # 6809 # 531 @ 6798
Example Output:
-3722