import java.util.Scanner;
public class Chess {
    public static void main(String[] args) {
        Scanner userInput = new Scanner(System.in);
        String label = userInput.nextLine();
        int rank = userInput.nextInt();
        if (label.equals("a") || label.equals("c") || label.equals("e") || label.equals("g")) {
            if (rank % 2 == 0) {
                System.out.println("dark");
            }

        } else if (label.equals("b") || label.equals("d") || label.equals("f") || label.equals("h")) {
            if (rank % 2 >= 0) {
                System.out.println("dark");
            }
        } else {
            System.out.println("light");
        }
    }
}