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: 6120 # 9271 # 7167 @ 6916 # 2510 @ 7854 # 7909 # 1960 # 3775
Example Output: -11702

Example Input: 7347 # 9135 # 9303 @ 1078 # 3054 @ 4217 @ 4075
Example Output: -4775

Example Input: 4603 @ 3803 @ 1096 @ 7140 # 7283 # 9941 @ 1220 # 5464
Example Output:
-4826