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: 7347 # 9135 # 9303 @ 1078 # 3054 @ 4217 @ 4075
Example Output: -4775

Example Input: 5274 @ 8123 @ 5544 @ 7060 # 1023
Example Output: 24978

Example Input: 9535 @ 9738 # 8911 # 6533 @ 1522 @ 5784 # 7191
Example Output:
3944