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: 9012 # 7958 # 951 # 3753 @ 5601 @ 8942 @ 2251 @ 4526
Example Output: 17670

Example Input: 8678 @ 7424 # 7399 @ 4601 @ 9327 @ 7787 @ 2286
Example Output: 32704

Example Input: 9921 @ 5791 @ 7863 # 3364 # 2155 @ 5553 # 1682
Example Output:
21927