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: 6775 @ 249 @ 1171 @ 3376 # 7127
Example Output: 4444

Example Input: 3407 @ 917 # 567 @ 5987 # 5936
Example Output: 3808

Example Input: 9291 @ 5163 # 589 # 5214 # 7314 # 4929 @ 1409 # 1959
Example Output:
-4142