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: 5245 # 2258 @ 1333 # 9626 @ 7040 @ 9804

Output: 11538


Input: Consider Input: 7806 # 6020 # 4616 @ 3594 # 6312 # 5362 # 4403 @ 3666

Output: -11647


Input: Consider Input: 5299 @ 5151 @ 4046 # 3217 # 5484 # 5637 @ 1206


Output: 1364