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: 1294 # 4752 # 8113 @ 9201 @ 8582 # 7189 @ 2849
Example Output: 1872

Example Input: 2932 # 4372 # 9818 # 101 # 5357 # 8354 @ 7479
Example Output: -17591

Example Input: 1655 @ 6751 # 5432 @ 5817 @ 3005 # 1615
Example Output:
10181