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: 8441 @ 2924 # 9024 @ 6661 @ 7034 # 4821 # 4921
Example Output: 6294

Example Input: 7165 @ 3630 @ 9021 # 4140 @ 319
Example Output: 15995

Example Input: 2031 @ 8859 # 7119 # 8835 @ 7359
Example Output:
2295