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: 6844 @ 1340 # 4174 # 5664 @ 4911 # 5241
Example Output: -1984

Example Input: 730 @ 7585 # 9902 # 6809 @ 286 @ 9412 @ 9282 # 3941 # 4046
Example Output: 2597

Example Input: 1568 @ 3835 @ 2079 @ 5030 @ 1592 # 8668 @ 3140
Example Output:
8576

