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: 4460 @ 9143 # 6720 # 8379 @ 1636 # 6526
Example Output: -6386

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

Example Input: 8727 # 1317 # 8009 @ 2841
Example Output:
2242