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: 2132 @ 8398 # 9269
Example Output: 1261

Example Input: 5052 # 6923 @ 1011
Example Output: -860

Example Input: 612 # 9936 @ 1200 @ 2244 @ 1740 # 537 # 3186
Example Output:
-7863