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: 4317 # 7384 # 3193 # 3098 @ 2863 @ 1149 @ 7824 # 4889
Example Output: -2411

Example Input: 540 @ 8823 @ 1244 # 1696 # 889 # 6035 # 5113 @ 2513
Example Output: -613

Example Input: 5050 @ 8264 # 6236
Example Output:
7078