<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).
import java.io.*;
import java.util.*;

public class Main {
    static int inf = (int)1e9;
    public static void main(String[] args) throws IOException {
        br = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter pw = new PrintWriter(System.out);
        pw.print("Black");
        pw.close();
    }
    static BufferedReader br;
    static StringTokenizer st = new StringTokenizer("");

    public static int nextInt() throws IOException {
        return Integer.parseInt(next());
    }

    public static long nextLong() throws IOException {
        return Long.parseLong(next());
    }

    public static double nextDouble() throws IOException {
        return Double.parseDouble(next());
    }

    public static String next() throws IOException {
        if (!st.hasMoreTokens()) {
            st = new StringTokenizer(br.readLine());
        }
        return st.nextToken();
    }
}
class pair implements Comparator<pair> {
    int a,  b, id;

    pair(int x, int y, int id) {
        a = x;
        b = y;
        this.id = id;
    }

    pair() {
    }

    @Override
    public int compare(pair o1, pair o2) {
        return - Integer.compare(o1.a, o2.a) * 2 + Integer.compare(o1.id, o2.id);
    }
}
		      		
  	  	  	 
 	   	 	  
	 		     	