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: 4364 @ 4363 # 5655 @ 5991 @ 3879 @ 2303 # 3321 @ 8300 @ 6059
Example Output: 26283

Example Input: 8137 @ 5006 # 7743 @ 1478
Example Output: 6878

Example Input: 5868 @ 2001 @ 6284 @ 1100 @ 4192 # 2454 # 3733 @ 6199 @ 1405
Example Output:
20862