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: 7021 # 2043 @ 7414 # 2632 @ 2939 @ 8718 @ 2731
Example Output: 24148

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

Example Input: 5120 # 3275 # 479
Example Output:
1366