import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner Scanner = new Scanner(System.in);
        String label = Scanner.nextLine();
        int rank = Scanner.nextInt();
        if(rank % 2 == 0) {
            if (label.equals("b") || label.equals("d") || label.equals("f") || label.equals("h")) {
                System.out.println("dark");
            } else {
                System.out.println("light");
            }

        }if (label.equals("b") || label.equals("d") || label.equals("f") || label.equals("h")) {
            System.out.println("light");
        } else  {
            System.out.println("dark");}

        }
    }