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: 2269 # 7857 @ 1906 @ 1098 # 6308 # 1142 @ 2063
Example Output: -7971

Example Input: 4093 @ 3098 # 9284
Example Output:
-2093