import java.io.IOException;
import java.util.NoSuchElementException;

import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;

import java.util.Arrays;

public class Main {
    public static void main(String[] args) throws IOException {
        try (
            BufferedReader reader = new BufferedReader(
                new InputStreamReader(System.in))) {
            FastScanner fs = new FastScanner();

            final int H = fs.nextInt();
            final int W = fs.nextInt();

            String[] X = new String[H];
            int[][] S = new int[W][H];

            for (int i = 0; i < H; i++) {
                X[i] = fs.next();
            }

            // 下、右、上、左、右下、右上、左下、左上
            int[] dx = { 0, 1, 0, -1, 1, 1, -1, -1 };
            int[] dy = { 1, 0, -1, 0, 1, -1, 1, -1 };

            for (int y = 0; y < H; y++) {
                for (int x = 0; x < W; x++) {
                    int cnt = 0;
                    for (int k = 0; k < 8; k++) {
                        int nx = x + dx[k];
                        int ny = y + dy[k];

                        if (nx < 0 || W <= nx
                            || ny < 0 || H <= ny
                            || X[ny].charAt(nx) == '.') continue;

                        cnt++;
                    }
                    S[x][y] = cnt;
                }
            }

            for (int y = 0; y < H; y++) {
                for (int x = 0; x < W; x++) {
                    if ('#' == X[y].charAt(x)) System.out.print("#");
                    else System.out.print(S[x][y]);
                }
                System.out.println();
            }
        }
    }
}

class FastScanner {
    private final InputStream in = System.in;
    private final byte[] buffer = new byte[1024];
    private int ptr = 0;
    private int buflen = 0;
    private boolean hasNextByte() {
        if (ptr < buflen) {
            return true;
        } else {
            ptr = 0;
            try {
                buflen = in.read(buffer);
            } catch (IOException e) {
                e.printStackTrace();
            }
            if (buflen <= 0) {
                return false;
            }
        }
        return true;
    }
    private int readByte() {
        if (hasNextByte()) return buffer[ptr++];
        else return -1;
    }
    private static boolean isPrintableChar(int c) {
        return 33 <= c && c <= 126;
    }
    public boolean hasNext() {
        while(hasNextByte() && !isPrintableChar(buffer[ptr])) ptr++;
        return hasNextByte();
    }
    public String next() {
        if (!hasNext()) throw new NoSuchElementException();
        StringBuilder sb = new StringBuilder();
        int b = readByte();
        while(isPrintableChar(b)) {
            sb.appendCodePoint(b);
            b = readByte();
        }
        return sb.toString();
    }
    public long nextLong() {
        if (!hasNext()) throw new NoSuchElementException();
        long n = 0;
        boolean minus = false;
        int b = readByte();
        if (b == '-') {
            minus = true;
            b = readByte();
        }
        if (b < '0' || '9' < b) {
            throw new NumberFormatException();
        }
        while(true) {
            if ('0' <= b && b <= '9') {
                n *= 10;
                n += b - '0';
            } else if(b == -1 || !isPrintableChar(b)) {
                return minus ? -n : n;
            } else {
                throw new NumberFormatException();
            }
            b = readByte();
        }
    }
    public int nextInt() {
        long nl = nextLong();
        if (nl < Integer.MIN_VALUE || nl > Integer.MAX_VALUE)
            throw new NumberFormatException();
        return (int) nl;
    }
    public double nextDouble() {
        return Double.parseDouble(next());
    }
}


Measured memory_bytes: 21076