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: 5891 @ 5687 @ 6434 # 9679 @ 2950 # 5934 @ 1364 @ 6773
Example Output: 13486

Example Input: 8324 # 6868 # 6537
Example Output: -5081

Example Input: 9130 # 445 # 874 # 5090 # 1107
Example Output:
1614