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: 5088 # 9353 # 2772 @ 3908 @ 9196 @ 4709

Output: 10776


Input: Consider Input: 9673 @ 7136 # 4171 # 8296 @ 655

Output: 4997


Input: Consider Input: 5860 # 3046 @ 8768 @ 2986 @ 6767


Output: 21335