Problems
Binary search
Binary search
Sorted array of $n$ integers is given. You must answer $q$ queries: whether the given number $x$ is in the array.
\InputFile
First line contains two numbers $n$ and $q\:(n, q \le 10^6)$. Second line contains $n$ integers sorted in increasing order. Each of the next $q$ lines contains value of $x$. The numbers in array do not exceed $10^9$ by absolute value.
\OutputFile
For each value of $x$ print on a separate line \textbf{"YES"} if $x$ is present in array and \textbf{"NO"} otherwise.
Input example #1
6 3 2 4 4 8 11 14 10 4 2
Output example #1
NO YES YES
Input example #3
10 5 0 0 1 1 2 3 4 5 6 8 8 2 0 12 10
Output example #3
YES YES YES NO NO