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: 9024 # 5882 # 8531 # 9692 # 8354 @ 9065 # 1468

Output: -15838


Input: Consider Input: 1021 # 2896 # 8239 # 5207 # 1962 # 5346

Output: -22629


Input: Consider Input: 961 @ 6850 @ 8855 # 9773 @ 2351 @ 8574 # 2337


Output: 15481