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: 8109 @ 8997 # 3310 # 8023 @ 2548 @ 9625 # 7170
Example Output: 10776

Example Input: 4586 # 8527 @ 5828 @ 460 @ 1195
Example Output: 3542

Example Input: 5545 @ 5551 @ 661 @ 6998
Example Output:
18755