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: 5274 @ 8123 @ 5544 @ 7060 # 1023
Example Output: 24978

Example Input: 7127 # 5045 # 1920 # 8991 @ 8656 # 6430 @ 8803 # 7736 @ 887
Example Output: -4649

Example Input: 6454 @ 5519 @ 1871
Example Output:
13844

