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: 2026 @ 9494 # 8161
Example Output: 3359

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

Example Input: 1296 @ 9756 @ 2493 @ 9940 # 5147 # 5428 # 5741 # 828
Example Output:
6341