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: 2932 # 4372 # 9818 # 101 # 5357 # 8354 @ 7479
Example Output: -17591

Example Input: 5027 @ 4058 # 8225 @ 9216 # 3101 @ 8259 # 2376 # 6826 # 8997
Example Output: -2965

Example Input: 7779 # 1227 @ 5831 @ 8098 # 1473 @ 2033 @ 4502 # 5167
Example Output:
20376