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: 5347 # 326 # 6112 # 4655 @ 2124
Example Output: -3622

Example Input: 4324 # 426 # 9171 # 980 @ 9454 @ 9720 # 7367 # 9266 # 1237
Example Output: -4949

Example Input: 3122 @ 3611 @ 2993 @ 7415 @ 587 # 9947 # 4310 @ 1514 @ 7430
Example Output:
12415