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: 8293 # 4243 # 6119 @ 5292
Example Output: 3223

Example Input: 7295 @ 8477 @ 8646 @ 3487 # 114 # 9184
Example Output: 18607

Example Input: 6501 # 6708 # 7831 # 3189 @ 8042 # 1700 # 8825 @ 8989 # 5167
Example Output:
-9888