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: 4368 # 7312 @ 7468 # 4833 # 1476 # 42
Example Output: -1827

Example Input: 1076 @ 6433 # 796 # 1827 # 5999 @ 96 # 7117
Example Output: -8134

Example Input: 6420 @ 6956 @ 9478 # 4046
Example Output:
18808