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: 1614 # 4521 @ 7508 # 7726 @ 6176 @ 8975 # 693
Example Output: 11333

Example Input: 2863 @ 9899 # 2358
Example Output: 10404

Example Input: 4227 # 7576 # 3258
Example Output:
-6607