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: 1916 @ 5847 @ 4371
Example Output: 12134

Example Input: 7720 @ 5171 # 6139 @ 480
Example Output: 7232

Example Input: 1533 @ 3644 @ 7391 @ 3182 # 6346 # 7615 @ 5538
Example Output:
7327

