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: 9549 @ 21 # 6714 # 2406 # 2527 # 8527 @ 1769
Example Output: -8835

Example Input: 2057 # 2330 # 9059 # 2713 # 7404 @ 4349
Example Output: -15100

Example Input: 3773 @ 4169 @ 9858 # 8083 # 112 # 1991 @ 6103 @ 2384 # 2704
Example Output:
13397