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: 3298 @ 1140 @ 3407 # 8200 # 7383 # 6043 @ 5264
Example Output: -8517

Example Input: 9084 # 8139 @ 4937
Example Output: 5882

Example Input: 4426 @ 3502 # 1481 # 5864 @ 7254 # 9690 # 3269 @ 1476 # 6172
Example Output:
-9818