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: 2036 # 2136 @ 2740 # 8018 # 8379 @ 5952 # 3539 # 1201 # 5870
Example Output: -18415

Example Input: 5992 @ 7637 # 7427 @ 1102 @ 677 @ 9685 @ 6972
Example Output: 24638

Example Input: 1834 # 2630 @ 3119 # 3024 # 1805 @ 5287 @ 9826
Example Output:
12607