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: 1439 @ 4809 @ 6755 # 4840 @ 491 @ 9049 @ 8905 @ 8915

Output: 35523

Input: Consider Input: 4767 # 4944 # 4202 @ 2582

Output: -1797

Input: Consider Input: 8206 # 11 @ 7030 @ 9289 @ 7114
Output: 31628