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: 1477 @ 6645 @ 6272 # 3080
Example Output: 11314

Example Input: 1569 # 724 @ 3737 @ 6220 # 1360 # 172 # 1027 # 3566 # 9663
Example Output: -4986

Example Input: 3351 @ 69 @ 115 @ 6704 @ 5053
Example Output:
15292