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: 2030 # 4671 # 6277 @ 7403 @ 211 @ 1842 # 9247
Example Output: -8709

Example Input: 3309 @ 2855 @ 8458 # 3671 # 4410 # 6229 # 4661 # 2777
Example Output: -7126

Example Input: 8843 @ 5224 # 7671 # 5567 @ 983 @ 8306 @ 4820 # 9478 @ 5608
Example Output:
11068