using System;
using System.Collections.Generic;
using System.Linq;
using Debug = System.Diagnostics.Debug;
//using System.Numerics;
//using static System.Math;
using Number = System.Int64;
namespace Program {
    public class Solver {

        const bool DEBUG = false;
        Random rnd = new Random(); public void Solve() {
            int n = DEBUG ? 100 : 2;
            if (DEBUG) {
                p = Enumerate(n, x => x).OrderBy(x => rnd.Next()).ToArray();
            }
            var q = DEBUG ? 2000 : int.Parse(Console.ReadLine());
            var a = Enumerate(n, x => new char[2]);
            for (int i = 0; i < n; i++)
                a[i][0] = a[i][1] = '0';
            for (int i = 0; i < 11000; i++)
                query(a);
            throw new Exception();
            for (int i = 0; i < n; i++)
                for (int k = 0; k < 2; k++)
                    if (solve(i, k, a, n)) goto END;

            END:
            Debug.WriteLine(cnt);
            if (DEBUG && check(a)[2] != n) throw new Exception();

        }
        bool solve(int i, int j, char[][] a, int n) {
            var c = Enumerate(10, x => (char)(x + '0')).OrderBy(x => rnd.Next()).ToArray();
            var map = new SortedMap<int[], int>(default(cmp));
            var t = 0;
            foreach (var u in c) {
                a[i][j] = u;
                var res = query(a);
                if (res[2] == n) return true;
                else map[res] |= 1 << (u - '0');
                t++;
                if (t >= 3 && map.Count == 2) break;

            }
            foreach (var kv in map) {
                var v = kv.Value;
                if (v == (-v & v)) {
                    for (int k = 0; k < 10; k++)
                        if ((v >> k & 1) == 1) a[i][j] = (char)(k + '0');
                }
            }
            return false;
        }
        int cnt;
        int[] query(char[][] a) {
            cnt++;
            if (!DEBUG)
                for (int i = 0; i < a.Length; i++) {
                    Console.Write($"{a[i][0]}{a[i][1]}");
                    if (i + 1 != a.Length) Console.Write(" ");
                    else Console.WriteLine();
                }
            Console.Out.Flush();
            int[] res;
            if (DEBUG) return check(a);

            res = Console.ReadLine().Split().Select(int.Parse).ToArray();
            return res;
        }
        int[] check(char[][] a) {
            var ret = new int[3];
            for (int i = 0; i < a.Length; i++) {
                var v = 0;
                if (p[i] % 10 == a[i][1] - '0') v++;
                if (p[i] / 10 == a[i][0] - '0') v++;
                ret[v]++;
            }
            return ret;
        }
        int[] p;
        const long INF = 1L << 60;
        int[] dx = { 1, 0, -1, 0 };
        int[] dy = { 0, 1, 0, -1 };
        //*
        int ri { get { return sc.Integer(); } }
        long rl { get { return sc.Long(); } }
        double rd { get { return sc.Double(); } }
        string rs { get { return sc.Scan(); } }
        //*/

        public IO.StreamScanner sc = new IO.StreamScanner(Console.OpenStandardInput());
        static T[] Enumerate<T>(int n, Func<int, T> f) { var a = new T[n]; for (int i = 0; i < n; ++i) a[i] = f(i); return a; }
        static public void Swap<T>(ref T a, ref T b) { var tmp = a; a = b; b = tmp; }
    }
}

#region main
static class Ex {
    static public string AsString(this IEnumerable<char> ie) { return new string(ie.ToArray()); }
    static public string AsJoinedString<T>(this IEnumerable<T> ie, string st = " ") {
        return string.Join(st, ie.Select(x => x.ToString()).ToArray());
        //return string.Join(st, ie);
    }
    static public void Main() {
        Console.SetOut(new System.IO.StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false });
        var solver = new Program.Solver();
        solver.Solve();
        Console.Out.Flush();
    }
}
#endregion
#region Ex
namespace Program.IO {
    using System.Globalization;
    using System.IO;
    using System.Text;
    public class Printer: StreamWriter {
        public override IFormatProvider FormatProvider { get { return CultureInfo.InvariantCulture; } }
        public Printer(Stream stream) : base(stream, new UTF8Encoding(false, true)) { }
    }
    public class StreamScanner {
        public StreamScanner(Stream stream) { str = stream; }
        public readonly Stream str;
        private readonly byte[] buf = new byte[1024];
        private int len, ptr;
        public bool isEof = false;
        public bool IsEndOfStream { get { return isEof; } }
        private byte read() {
            if (isEof) return 0;
            if (ptr >= len) { ptr = 0; if ((len = str.Read(buf, 0, 1024)) <= 0) { isEof = true; return 0; } }
            return buf[ptr++];
        }
        public char Char() { byte b = 0; do b = read(); while ((b < 33 || 126 < b) && !isEof); return (char)b; }

        public string Scan() {
            var sb = new StringBuilder();
            for (var b = Char(); b >= 33 && b <= 126; b = (char)read())
                sb.Append(b);
            return sb.ToString();
        }
        public string ScanLine() {
            var sb = new StringBuilder();
            for (var b = Char(); b != '\n' && b != 0; b = (char)read())
                if (b != '\r') sb.Append(b);
            return sb.ToString();
        }
        public long Long() { return isEof ? long.MinValue : long.Parse(Scan()); }
        public int Integer() { return isEof ? int.MinValue : int.Parse(Scan()); }
        public double Double() { return isEof ? double.NaN : double.Parse(Scan(), CultureInfo.InvariantCulture); }
    }
}
#endregion


#region SortedMap<K,V>
public class SortedMap<K, V>: SortedDictionary<K, V> {
    public SortedMap(IComparer<K> cmp) : base(cmp) { }
    new public V this[K i] {
        get {
            V v;
            return TryGetValue(i, out v) ? v : base[i] = default(V);
        }
        set { base[i] = value; }
    }
}
#endregion

struct cmp: IComparer<int[]> {
    public int Compare(int[] x, int[] y) {
        for (int i = 0; i < x.Length; i++)
            if (x[i] < y[i]) return -1;
            else if (x[i] > y[i]) return 1;
        return 0;
    }
}