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: 2611 @ 6783 @ 8407 # 5813 @ 4138
Example Output: 16126

Example Input: 5604 # 514 # 150 @ 4349 @ 958 # 6247 # 8710
Example Output: -4710

Example Input: 7989 # 1724 # 4053 @ 7158 # 4589 @ 1253 @ 8326 # 4930
Example Output:
9430