using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.Diagnostics;
using System.Numerics;
using Enu = System.Linq.Enumerable;

public class Program
{
    public void Solve()
    {
        var A = Reader.String().Select(c => c - '0').ToArray();
        int K = Reader.Int();
        var Bad = Reader.IntLine();
        var OK = Enu.Range(0, 10).Where(i => !Bad.Contains(i)).ToArray();
        int FirstNotZero = OK[0] != 0 ? OK[0] : OK[1];

        if (A.Any(c => c > OK[OK.Length - 1]))
        {
            Console.WriteLine(FirstNotZero + "" + new string((char)('0' + OK[0]), A.Length));
            return;
        }
        var ans = new StringBuilder();
        bool greater = false;
        int[] count = new int[10];
        foreach (int c in A) count[c]++;

        for (int i = 0; i < A.Length; i++)
        {
            count[A[i]]--;
            foreach (int d in OK)
                if (Can(i, d, greater, A, count, OK))
                {
                    ans.Append(d);
                    if (d > A[i]) greater = true;
                    break;
                }
        }
        Console.WriteLine(ans);
    }

    private bool Can(int i, int d, bool greater, int[] A, int[] count, int[] OK)
    {
        if (d > A[i]) return true;
        if (!greater && d < A[i]) return false;
        if (i == 0 && d == 0 && A.Length > 1) return false;
        for (int c = 9; c > OK[OK.Length - 1]; c--)
            if (count[c] > 0) return false;
        return true;
    }
}

class Entry { static void Main() { new Program().Solve(); } }
class Reader
{
    static TextReader reader = Console.In;
    static readonly char[] separator = { ' ' };
    static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries;
    static string[] A = new string[0];
    static int i;
    static void Init() { A = new string[0]; }
    public static void Set(TextReader r) { reader = r; Init(); }
    public static void Set(string file) { reader = new StreamReader(file); Init(); }
    public static bool HasNext() { return CheckNext(); }
    public static string String() { return Next(); }
    public static int Int() { return int.Parse(Next()); }
    public static long Long() { return long.Parse(Next()); }
    public static double Double() { return double.Parse(Next()); }
    public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); }
    public static int[] IntArray(int N) { return Range(N, Int); }
    public static int[][] IntTable(int H) { return Range(H, IntLine); }
    public static string[] StringArray(int N) { return Range(N, Next); }
    public static string[][] StringTable(int N) { return Range(N, () => Split(Line())); }
    public static string Line() { return reader.ReadLine().Trim(); }
    static string[] Split(string s) { return s.Split(separator, op); }
    static T[] Range<T>(int N, Func<T> f) { var r = new T[N]; for (int i = 0; i < N; r[i++] = f()) ; return r; }
    static string Next() { CheckNext(); return A[i++]; }
    static bool CheckNext()
    {
        if (i < A.Length) return true;
        string line = reader.ReadLine();
        if (line == null) return false;
        if (line == "") return CheckNext();
        A = Split(line);
        i = 0;
        return true;
    }
}

Measured memory_bytes: 3032