/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		 int[] A={-1, 6, 3, 4, 7, 4} ;
 
         for(int i=0;i<A.length;i++)
         {
             System.out.println(Arrays.binarySearch(A,A[i])+"========="+A[i]);
         }
	}
}

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