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: 2182 @ 8380 # 337

Output: 10225


Input: Consider Input: 5885 @ 6086 # 2828 # 305 # 6536

Output: 2302


Input: Consider Input: 3570 # 7719 # 1877 @ 1605 @ 2610


Output: -1811