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: 9504 # 5838 @ 6008 @ 5759 @ 2689
Example Output: 18122

Example Input: 9807 @ 9345 # 5133 # 8042 @ 1499 # 8153 # 638
Example Output: -1315

Example Input: 3607 @ 8409 @ 6582 # 2365 # 1121 # 8880 # 3682 @ 9616 @ 5322
Example Output:
17488