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: 2560 @ 144 @ 6785 @ 572 # 5190 @ 1929
Example Output: 6800

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

Example Input: 8328 @ 4157 @ 5891 # 6422 # 6967 # 6792 @ 161 # 835 @ 3913
Example Output:
1434