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: 1076 @ 6433 # 796 # 1827 # 5999 @ 96 # 7117
Example Output: -8134

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

Example Input: 290 # 5585 @ 7755 # 8813 # 2403
Example Output:
-8756