import java.util.*;
import java.io.*;

public class Q5
{
    public static void main(String[] args) throws IOException
    {
        Scanner in = new Scanner(new File("DATA5.txt"));
        PrintWriter out = new PrintWriter(new FileWriter("OUT5.txt"));
        int n, k;
        int s, x;
        for (int i = 0; i < 5; i++)
        {
            n = in.nextInt();
            k = in.nextInt();
            try {
                in.nextLine();
            }
            catch(Exception e){}
            s = (int) Math.pow(2, n);
            x = k % s;
            //System.out.printf("%d %d\n", s, x);
            if (x == s-1)
                out.println("ON");
            else
                out.println("OFF");
        }
        in.close();
        out.close();
    }
}