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: 9938 # 267 # 6696 # 8186 # 5729 # 8517 # 6331 @ 7607
Example Output: -18181

Example Input: 8780 # 5826 # 420 @ 8814 @ 5786 # 1725
Example Output: 15409

Example Input: 7437 # 8471 @ 2328 # 3557 # 1978
Example Output:
-4241