import java.util.*;
import java.io.*;
import java.awt.Point;
import java.util.regex.*;
import java.math.*;
import java.text.*;

public class _5 {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws IOException {
        Scanner fin = new Scanner(new FileReader("DATA5.txt"));
        PrintWriter fout = new PrintWriter(new FileWriter("OUT5.txt"));

        for(int i=0;i<5;i++) {
            int N = fin.nextInt();
            int K = fin.nextInt();

            if(K % 2 != 0) fout.println("ON");
            else fout.println("OFF");

            
        }

        fout.close();
        fin.close();
    }

}