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: 1982 # 4772 # 2392 # 1023 # 9072 @ 1042 @ 2606 # 2557 @ 1145
Example Output: -13041

Example Input: 7671 # 7716 @ 5899 @ 2520 # 497 # 24 # 16 # 840 # 9556
Example Output: -2559

Example Input: 8050 # 8744 @ 5247 # 7761 # 8743
Example Output:
-11951

