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: 9546 @ 5515 @ 6740 # 2069 # 921 # 9110 # 5067 # 3917 # 6434
Example Output: -5717

Example Input: 126 @ 8943 @ 2476 # 7766 @ 2271 # 7213 @ 6602 # 8086 @ 2129
Example Output: -518

Example Input: 7663 # 9976 # 3887 @ 2279 @ 9728 # 2113
Example Output:
3694