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: 2061 # 9512 @ 2202
Example Output: -5249

Example Input: 9407 @ 4324 # 2220 # 8668 @ 1606 @ 4059
Example Output: 8508

Example Input: 8152 # 4796 # 14 @ 5071 @ 3953 @ 5142
Example Output:
17508

