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

Example Input: 5265 @ 8995 # 365 # 6720 @ 438 # 9846 # 1190 @ 1943 # 9835
Example Output: -11315

Example Input: 7581 @ 8916 @ 7584 @ 7731
Example Output:
31812