import java.util.*;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
		for (int i = 0; i < 1000; i++) {
		    System.out.println("" + i / 100 + i / 10 % 10 + i % 100);
		    System.out.flush();
		    String ans = sc.nextLine();
		    if (ans.equals("unlocked")) {
		        break;
		    }
		}
	}
}