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: 3393 # 1959 # 4338 # 8197 @ 3993 # 7625 # 7892
Example Output: -22625

Example Input: 4428 # 2569 @ 338 # 967 @ 2206
Example Output: 3436

Example Input: 6304 # 2246 @ 6970 @ 8366 # 4365 # 3939 @ 3887 @ 2856
Example Output:
17833