using System;
using System.Collections.Generic;
using System.Linq;
using BitArray = System.Collections.BitArray;
using BigInteger = System.Numerics.BigInteger;
using TextReader = System.IO.TextReader;
using System.Text;

namespace AtCoderProject
{
    public class Program
    {
        public object Calc()
        {
            var H = consoleReader.Int;
            var W = consoleReader.Int;
            var c = consoleReader.Repeat(H).Select(cr => cr.String.Select(sc => sc == '.' ? '0' : sc).ToArray()).ToArray();
            for (int i = 0; i < H; i++)
                for (int j = 0; j < W; j++)
                {
                    if (c[i][j] != '#') continue;
                    var isNotCeil = i != 0;
                    var isNotFloor = i != H - 1;
                    var isNotLeft = j != 0;
                    var isNotRight = j != W - 1;
                    if (isNotCeil && isNotLeft)
                        if (c[i - 1][j - 1] != '#') c[i - 1][j - 1] = (char)(c[i - 1][j - 1] + 1);
                    if (isNotCeil)
                        if (c[i - 1][j] != '#') c[i - 1][j] = (char)(c[i - 1][j] + 1);
                    if (isNotCeil && isNotRight)
                        if (c[i - 1][j + 1] != '#') c[i - 1][j + 1] = (char)(c[i - 1][j + 1] + 1);

                    if (isNotLeft)
                        if (c[i][j - 1] != '#') c[i][j - 1] = (char)(c[i][j - 1] + 1);
                    if (isNotRight)
                        if (c[i][j + 1] != '#') c[i][j + 1] = (char)(c[i][j + 1] + 1);

                    if (isNotFloor && isNotLeft)
                        if (c[i + 1][j - 1] != '#') c[i + 1][j - 1] = (char)(c[i + 1][j - 1] + 1);
                    if (isNotFloor)
                        if (c[i + 1][j] != '#') c[i + 1][j] = (char)(c[i + 1][j] + 1);
                    if (isNotFloor && isNotRight)
                        if (c[i + 1][j + 1] != '#') c[i + 1][j + 1] = (char)(c[i + 1][j + 1] + 1);
                }
            return AllLines(c.Select(l => new string(l)));
        }

        #region いつもの
#pragma warning disable
        private ConsoleReader consoleReader;
        public Program(ConsoleReader consoleReader) { this.consoleReader = consoleReader; }
        static void Main() => Console.WriteLine(new Program(new ConsoleReader(Console.In)).Calc()); static string AllLines<T>(IEnumerable<T> source) => string.Join("\n", source);
    }
    static class Ext
    {
        public static Dictionary<TKey, int> GroupCount<TSource, TKey>(this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)
            => source.GroupBy(keySelector).ToDictionary(g => g.Key, g => g.Count());
        public static Dictionary<TKey, int> GroupCount<TKey>(this IEnumerable<TKey> source) => source.GroupCount(i => i);
    }
    public class ConsoleReader
    {
        private string[] ReadLineSplit() => textReader.ReadLine().Split(Array.Empty<char>(), StringSplitOptions.RemoveEmptyEntries);
        private string[] line = Array.Empty<string>();
        private int linePosition;
        private TextReader textReader;
        public ConsoleReader(TextReader tr) { textReader = tr; }
        public int Int => int.Parse(String);
        public long Long => long.Parse(String);
        public double Double => double.Parse(String);
        public string String
        {
            get
            {
                if (linePosition >= line.Length)
                {
                    linePosition = 0;
                    line = ReadLineSplit();
                }
                return line[linePosition++];
            }
        }
        public class SplitLine
        {
            private string[] splited;
            public SplitLine(ConsoleReader cr) { splited = cr.ReadLineSplit(); cr.line = Array.Empty<string>(); }
            public int[] Int => String.Select(x => int.Parse(x)).ToArray();
            public int[] Int0 => String.Select(x => int.Parse(x) - 1).ToArray();
            public long[] Long => String.Select(x => long.Parse(x)).ToArray();
            public double[] Double => String.Select(x => double.Parse(x)).ToArray();
            public string[] String => splited;
        }
        public SplitLine Split => new SplitLine(this);
        public class RepeatReader : IEnumerable<ConsoleReader>
        {
            ConsoleReader cr; int count;
            public RepeatReader(ConsoleReader cr, int count) { this.cr = cr; this.count = count; }
            public IEnumerator<ConsoleReader> GetEnumerator() => Enumerable.Repeat(cr, count).GetEnumerator();
            System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() => GetEnumerator();

            public IEnumerable<string> String => this.Select(cr => cr.String);
            public IEnumerable<int> Int => this.Select(cr => cr.Int);
            public IEnumerable<int> Int0 => this.Select(cr => cr.Int - 1);
            public IEnumerable<long> Long => this.Select(cr => cr.Long);
            public IEnumerable<double> Double => this.Select(cr => cr.Double);
        }
        public RepeatReader Repeat(int count) => new RepeatReader(this, count);
    }
    #endregion
}

Measured memory_bytes: 13524