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: 6514 # 8296 # 4939 # 5783 @ 1077 @ 3237 @ 5941 # 7665 # 2408
Example Output: -12322

Example Input: 4844 # 7776 # 6204 # 1027 # 4447 # 7998 # 6045 @ 8611 @ 2765
Example Output: -17277

Example Input: 1845 @ 5509 # 49 # 9196 @ 67 # 8583 @ 6702 # 5053 @ 3219
Example Output:
-5539