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: 4282 @ 2191 # 7458 @ 8928
Example Output: 7943

Example Input: 8625 # 2240 # 8544 @ 9905 @ 7588 @ 9161 @ 3204 @ 4214 # 1175
Example Output: 30738

Example Input: 1061 @ 9053 @ 5639 @ 9845 # 184 # 944 # 615
Example Output:
23855