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: 2763 @ 869 # 8299
Example Output: -4667

Example Input: 1864 @ 8830 # 8139 # 5532 @ 9493 # 2897 # 3370 @ 2698 @ 3260
Example Output: 6207

Example Input: 3631 # 7822 # 8283 @ 4667 # 697
Example Output:
-8504