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

public class P5 {
	public static void main(String args[]) throws IOException
	{
		Scanner sc=new Scanner(new FileReader("DATA5.txt"));
		PrintWriter pw=new PrintWriter(new FileWriter("OUT5.txt"));
		
		for(int LL=0;LL<5;LL++)
		{
			int N=sc.nextInt();
			int K=sc.nextInt();
			int cir=1<<N;
			K=K%cir;
			if(K==cir-1)
			{
				pw.println("ON");
			}
			else
			{
				pw.println("OFF");
			}

			
			pw.flush();
		}
		
		sc.close();
		pw.close();
	}
}