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: 5968 # 833 # 9263 @ 5675 @ 3262 # 2158
Example Output: 2651

Example Input: 4449 @ 4019 @ 7637
Example Output: 16105

Example Input: 7002 @ 7486 # 5106 # 3070 @ 8673 # 5621 # 3835 # 7715 # 1314
Example Output:
-3500