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: 1380 @ 6582 # 4036
Example Output: 3926

Example Input: 6340 # 5642 @ 8051 # 3877 # 2824 # 3105 # 9957 @ 9874 # 6399
Example Output: -7539

Example Input: 1834 # 2630 @ 3119 # 3024 # 1805 @ 5287 @ 9826
Example Output:
12607