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: 3876 @ 6607 # 1034 # 2483 @ 544 # 1053 @ 4907 @ 1303 @ 3904
Example Output: 16571

Example Input: 2724 @ 8119 @ 1049 @ 9004
Example Output: 20896

Example Input: 7798 # 8742 # 1322 # 1975 # 4528 @ 6770
Example Output:
-1999