package no355;

import java.util.Scanner;

public class Main {

	static int[] query = new int[4];
	static int hit = 0;
	static int blow = 0;
	
	static Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		while(true) {
			for(int i=0;i<4;i++) {
				query[i] = (int) (Math.random() * 10);
			}
			if (!isValid()) continue;
			query();
			if (hit == 0) break;
		}
		for(int i=0;i<4;i++) {
			for(int j=0;j<=9;j++) {
				query[i] = j;
				if (!isValid()) continue;
				query();
				if (hit == i + 1) {
					break;
				}
			}
		}
	}
	
	public static boolean isValid() {
		boolean[] used = new boolean[10];
		for(int i=0;i<4;i++) {
			int x = query[i];
			if (used[x]) {
				return false;
			}
			used[x] = true;
		}
		return true;
	}
	
	public static void query() {
		StringBuilder sb = new StringBuilder();
		for(int i=0;i<4;i++) {
			if (i > 0) sb.append(' ');
			sb.append(query[i]);
		}
		System.out.println(sb.toString());
		hit = sc.nextInt();
		blow = sc.nextInt();
	}

}