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: 1221 @ 4619 # 3319 @ 2958
Example Output: 5479

Example Input: 8196 @ 7820 # 8484 # 7462 @ 8007 # 414
Example Output: 7663

Example Input: 1710 @ 4028 @ 7236 @ 277 @ 4156
Example Output:
17407