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: 2404 @ 4359 # 5006 # 2796 # 6139
Example Output: -7178

Example Input: 1157 # 6558 # 5131 @ 5361 # 3957 # 9161 # 5198
Example Output:
-23487