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: 7252 # 8553 # 4853 @ 6748 # 3750
Example Output: -3156

Example Input: 1439 @ 4809 @ 6755 # 4840 @ 491 @ 9049 @ 8905 @ 8915
Example Output: 35523

Example Input: 6760 @ 3673 # 4509 @ 4472 # 2059 # 1779 @ 9716 # 1485
Example Output:
14789