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: 1192 # 5752 # 5907 # 2119 # 9792 @ 917 @ 8428 # 6072 @ 592

Output: -18513


Input: Consider Input: 4101 @ 5888 # 877 # 7900 # 6062 @ 6246

Output: 1396


Input: Consider Input: 2065 @ 3769 @ 9915 # 6270 @ 3929 @ 5328 @ 6079 @ 5250 @ 843


Output: 30908