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: 6796 # 5118 @ 4061 @ 2573 # 7960 @ 5889 # 7812 @ 3174
Example Output: 1603

Example Input: 2931 @ 2088 @ 4090 # 4838 # 6154 # 8570 @ 8518 @ 1737
Example Output: -198

Example Input: 9498 # 3539 @ 7076 @ 8911 # 5101 # 8288 @ 1709 # 628 @ 205
Example Output:
9843