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: 7371 # 9025 @ 8352 # 9201 # 9297 # 3561 @ 8576
Example Output: -6785

Example Input: 1569 @ 5170 @ 566 # 6012 @ 5001
Example Output: 6294

Example Input: 9188 # 9906 @ 4431 # 1777 @ 3587 @ 541 @ 848 # 8822 # 370
Example Output:
-2280