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: 2475 # 126 @ 138 # 2303 # 5327 # 6412 # 9849 # 8474 # 6460

Output: -36338


Input: Consider Input: 4596 # 4475 # 6599

Output: -6478


Input: Consider Input: 5586 @ 3703 # 1171 @ 1530 # 1411 @ 610 # 9175 # 5576 # 224


Output: -6128