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: 7211 # 614 @ 1584 # 4857 # 1495 # 1821 # 2219
Example Output: -2211

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

Example Input: 1198 @ 3249 @ 5601 @ 779 # 1295 # 6629
Example Output:
2903