You will be given a sentence. Check whether the sentence is grammatically correct and is meaningful. If the sentence is grammatically correct, then answer with '1', otherwise answer with '0'.

Input: Consider Input: the enemy's destruction of the city was horrific.

Output: 1


Input: Consider Input: The harder that it rains, how much faster a flow do you see in the river?

Output: 1


Input: Consider Input: The sea monster drowned the sailors.


Output: 1