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

Input: Consider Input: 931 # 5023 @ 6056 # 4419 # 1833 @ 5052 @ 1632 # 2282 @ 9337

Output: 9451

Input: Consider Input: 5631 # 7224 @ 9746 # 8532 @ 8996 # 3971 # 8538 @ 5270 # 9789

Output: -8411

Input: Consider Input: 5291 # 9238 # 7041 @ 212 @ 553 # 5332 # 1242 @ 6041
Output: -10756