using System;
using System.Text;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using static System.Console;
using static System.Math;

namespace AtCorder
{
    class Program
    {
        static void Main(string[] args)
        {
            new Program().Solve(new ConsoleInput(Console.In, ' '));
        }


        public void Solve(ConsoleInput cin)
        {
            var H = cin.ReadInt;
            var W = cin.ReadInt;
            var Map = new char[H + 2, W + 2];
            var _S = cin.ReadStrArray(H);
            for(int i = 0; i < H; i++)
            {
                var S = _S[i].ToCharArray();
                for(int j = 0; j < W; j++)
                {
                    Map[i + 1, j + 1] = S[j];
                }
            }

            for(int i = 0; i < H; i++)
            {
                for(int j = 0; j < W; j++)
                {
                    if (Map[i + 1, j + 1] == '#') continue;
                    var Bomb = 0;
                    for (int t = -1; t <= 1; t++)
                    {
                        for (int u = -1; u <= 1; u++)
                        {
                            if (Map[i + t + 1, j + u + 1] == '#') Bomb++;
                        }
                    }
                    var s = Bomb.ToString();
                    Map[i + 1, j + 1] = Convert.ToChar(s);
                }
            }
            for(int i = 0; i < H; i++)
            {
                for(int j = 0; j < W; j++)
                {
                    Write(Map[i + 1, j + 1]);
                }
                WriteLine();
            }
        }

        public class ConsoleInput
        {
            private readonly System.IO.TextReader _stream;
            private char _separator = ' ';
            private Queue<string> inputStream;
            public ConsoleInput(System.IO.TextReader stream, char separator = ' ')
            {
                this._separator = separator;
                this._stream = stream;
                inputStream = new Queue<string>();
            }
            public string Read
            {
                get
                {
                    if (inputStream.Count != 0) return inputStream.Dequeue();
                    string[] tmp = _stream.ReadLine().Split(_separator);
                    for (int i = 0; i < tmp.Length; ++i)
                        inputStream.Enqueue(tmp[i]);
                    return inputStream.Dequeue();
                }
            }
            public string ReadLine { get { return _stream.ReadLine(); } }
            public int ReadInt { get { return int.Parse(Read); } }
            public long ReadLong { get { return long.Parse(Read); } }
            public double ReadDouble { get { return double.Parse(Read); } }
            public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; }
            public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; }
            public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; }
        }
    }
}


Measured memory_bytes: 13268