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: 2900 # 2740 # 1706 @ 6629
Example Output: 5083

Example Input: 2588 @ 7474 @ 7336 @ 2767 # 1155 # 3435 # 6693
Example Output: 8882

Example Input: 3802 @ 6692 @ 95 # 3163 # 3279 @ 3194 @ 6616
Example Output:
13957