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: 2243 # 9188 # 3609 # 6813 @ 6109 @ 6045
Example Output: -5213

Example Input: 4238 # 9059 # 3579 @ 2750 # 6861 # 5756 @ 9729
Example Output: -8538

Example Input: 3541 @ 6775 # 9779 @ 8996 @ 5835 # 6395 @ 9568 # 2748
Example Output:
15793