using System;

using System.Collections;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Text;
using System.Text.RegularExpressions;
using System.Linq;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        new Magatro().Solve();
    }
}

public class Scanner
{
    private StreamReader Sr;

    private string[] S;
    private int Index;
    private const char Separator = ' ';

    public Scanner(Stream source)
    {
        Index = 0;
        S = new string[0];
        Sr = new StreamReader(source);
    }

    private string[] Line()
    {
        return Sr.ReadLine().Split(Separator);
    }

    public string Next()
    {
        string result;
        if (Index >= S.Length)
        {
            S = Line();
            Index = 0;
        }
        result = S[Index];
        Index++;
        return result;
    }
    public int NextInt()
    {
        return int.Parse(Next());
    }
    public double NextDouble()
    {
        return double.Parse(Next());
    }
    public long NextLong()
    {
        return long.Parse(Next());
    }
    public decimal NextDecimal()
    {
        return decimal.Parse(Next());
    }
    public string[] StringArray(int index = 0)
    {
        Next();
        Index = S.Length;
        return S.Skip(index).ToArray();
    }
    public int[] IntArray(int index = 0)
    {
        return StringArray(index).Select(int.Parse).ToArray();
    }
    public long[] LongArray(int index = 0)
    {
        return StringArray(index).Select(long.Parse).ToArray();
    }
    public bool EndOfStream
    {
        get { return Sr.EndOfStream; }
    }
}

public class Magatro
{
    private Scanner Cin;

    public void Solve()
    {
        Cin = new Scanner(Console.OpenStandardInput());
        bool[] b = new bool[10000];
        for (int i = 0; i < 10000; i++)
        {
            b[i] = Check(i);
        }
        for (int i = 0; i < 10000; i++)
        {
            if (!b[i]) continue;
            var t = Write(i);
            if (t.Item1 == 4 && t.Item2 == 0)
            {
                return;
            }
            for (int j = i + 1; j < 10000; j++)
            {
                if (!b[j]) continue;
                var p = Count(i, j);
                if ((t.Item1 != p.Item1) || t.Item2 != p.Item2)
                {
                    b[j] = false;
                }
            }
            b[i] = false;
        }
        //throw new Exception();
    }

    private bool Check(int i)
    {
        string s = string.Format("{0:D4}", i);
        for (int j = 0; j < 3; j++)
        {
            for (int k = j + 1; k < 4; k++)
            {
                if (s[j] == s[k])
                {
                    return false;
                }
            }
        }
        return true;
    }

    private Tuple<int, int> Count(int i, int j)
    {
        int h = 0;
        int b = 0;
        string si = string.Format("{0:D4}", i);
        string sj = string.Format("{0:D4}", j);
        for (int k = 0; k < 4; k++)
        {
            if (sj.Contains(si[k])) b++;
            if (si[k] == sj[k]) h++;
        }
        return Tuple.Create(h, b - h);
    }

    private Tuple<int, int> Write(int i)
    {
        char[] arr = string.Format("{0:D4}", i).ToArray();
        Console.WriteLine(string.Join(" ", arr));
        string[] s = Console.ReadLine().Split(' ');
        int h = int.Parse(s[0]);
        int b = int.Parse(s[1]);
        return Tuple.Create(h, b);
    }
}