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: 2027 # 965 # 9916 @ 7199 @ 844 @ 9780
Example Output: 8969

Example Input: 722 # 9533 @ 3199 @ 4825 @ 817
Example Output: 30

Example Input: 318 # 2977 # 9352 # 3082 # 5224 @ 3028 # 7022
Example Output:
-24311