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: 1059 # 7372 @ 4733 @ 9323 # 2108 @ 1244 @ 4077 # 7899 # 5842
Example Output: -2785

Example Input: 5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399
Example Output: -269

Example Input: 4183 # 7349 @ 9799 @ 197 @ 9582 # 4649
Example Output:
11763