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: 4284 # 8233 @ 2781 # 2769 # 5560 @ 635 # 1706 @ 1965 @ 6794
Example Output: -1809

Example Input: 7106 # 9524 # 2673 # 4668 @ 6755 # 5653 # 2688 # 9360
Example Output: -20705

Example Input: 2805 @ 194 @ 6364 # 8962 @ 3668 @ 1570 @ 7379 @ 8123
Example Output:
21141