Problem: <image>

You have one chip and one chance to play roulette. Are you feeling lucky?

Output

Print your bet. Your chip must be placed entirely within some square (not on an edge or a corner shared by adjacent squares).

Solution (in JAVA):

Solution:
import java.util.*;
public class D952 {
	public static void main(String[] args) {
		System.out.println("black");
	}
}