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: 5837 # 1015 # 4725
Example Output: 97

Example Input: 6110 @ 5036 # 9621 @ 7662 # 3509 # 7697 # 1663 @ 9388
Example Output: 5706

Example Input: 4101 @ 2536 # 502
Example Output:
6135