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

public class q4 
{
	public static void main(String[] args)throws IOException
	{
		BufferedReader bf = new BufferedReader(new FileReader("DATA5.txt"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("OUT5.txt")));

		for (int a = 0; a < 5; a++)
		{
			int n, k;
			String f[] = bf.readLine().split(" ");
			n = Integer.parseInt(f[0]);
			k = Integer.parseInt(f[1]);
			
			if (k == 0)
			{
				out.println("OFF");
				continue;
			}
			
			String s = "";
			
			while (k != 1)
			{
				if (k % 2 == 0)
					s = "0" + s;
				else
					s = "1" + s;
				
				k /= 2;
			}
			
			s = "1" + s;
			boolean t = true;
			
			if (n > s.length())
			{
				out.println("OFF");
				continue;
			}

			for (int i = s.length() - 1; i >= s.length() - n; i--)
			{
				if (s.charAt(i) != '1')
				{
					out.println("OFF");
					t = false;
					break;
				}
			}
			
			if (t)
				out.println("ON");
		}
		
		out.close();
	}

}