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: 7686 @ 8753 @ 1402 # 3760 # 9121 @ 5705 @ 9002
Example Output: 19667

Example Input: 932 # 7028 @ 5402 # 9015 @ 2110
Example Output: -7599

Example Input: 1602 @ 5784 # 8866 @ 7222
Example Output:
5742