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: 4189 # 3579 @ 7275 # 5186 @ 5825 # 3209
Example Output: 5315

Example Input: 1919 @ 7586 # 3931 @ 8451 # 8366
Example Output: 5659

Example Input: 9053 # 6203 @ 2367 @ 9977 # 4478 @ 2110
Example Output:
12826