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: 1122 @ 3359 @ 4856 # 8802 @ 600 @ 3512 # 4067 @ 6320 @ 711

Output: 7611


Input: Consider Input: 2686 # 9688 @ 2369 # 7715 @ 733 # 4254 # 6332 # 1122 @ 8206


Output: -15117