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: 1296 @ 9756 @ 2493 @ 9940 # 5147 # 5428 # 5741 # 828

Output: 6341


Input: Consider Input: 5507 @ 4243 @ 5897 @ 7115 # 6687 @ 3875 # 298 @ 1379 @ 1973

Output: 23004


Input: Consider Input: 3786 @ 5855 @ 9693 @ 3427 @ 2405


Output: 25166