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: 8760 @ 4583 # 2942 # 3854 # 5061 @ 31 # 5965
Example Output: -4448

Example Input: 1999 # 5055 @ 6736 # 8829 @ 7010 # 2968 # 259 @ 5904
Example Output: 4538

Example Input: 3835 @ 4789 # 5658 @ 6282 @ 7333 # 3579 @ 2793 @ 862
Example Output:
16657