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: 931 # 9775 @ 8414
Example Output: -430

Example Input: 634 # 6766 # 1458 # 4376 @ 9425
Example Output: -2541

Example Input: 1062 @ 9466 @ 4653
Example Output:
15181