import java.util.*;
public class a
{
    public static void main(String[] args)
    {
        byte a = -1;
        for (int i = 1;i < 32 ;++i )
        {
            byte b = (byte)(a >>> i);
            a >>>= i;
            System.out.println("i=" + i);
            System.out.println(Integer.toBinaryString(a)); //输出A
            System.out.println(Integer.toBinaryString(a >>> i)); //输出B
        }
    }
}