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: 9039 @ 4996 @ 845 # 5409
Example Output: 9471

Example Input: 1131 @ 2823 # 1847 @ 6137 @ 7300 @ 27
Example Output: 15571

Example Input: 7841 # 9523 # 1242 @ 934 @ 842 @ 5785 @ 2604 @ 1465
Example Output:
8706