package stvorec;

import java.io.*;
import java.util.Scanner;

public class Stvorec {

    static void vypis(char[][] a) {
        /* vypiseme cisla v matici a na konzolu */
        for (char[] riadok : a) {
            for (char x : riadok) {
                System.out.print(" " + x);
            }
            System.out.println();
        }
    }

    static void pocitaj(char[][] echt, int [][] pocty, int x, int y){
        if (pocty[y][x]!=0) return;
        if (((x+1) >= echt[0].length)||((y+1) >= echt.length)) {
            pocty[y][x]=1;
            return;
        }
        if (pocty[y][x+1]==0){
            pocitaj (echt,pocty,x+1,y);
        }
        if (pocty[y+1][x]==0){
            pocitaj (echt,pocty,x,y+1);
        }
        if (pocty[y+1][x+1]==0){
            pocitaj (echt,pocty,x+1,y+1);
        }
        char ja = echt[y][x];

        if ((echt[y+1][x]!=ja)||(echt[y][x+1]!=ja)||(echt[y+1][x+1]!=ja)){
            pocty[y][x]=1;
            return;
        }

        int tmp=Math.min(pocty[y][x+1], Math.min(pocty[y+1][x], pocty[y+1][x+1]));
        pocty [y][x] = tmp+1;

    }

    public static void main(String[] args)
        throws java.io.IOException {

        //nacitanie prveho riadku nech viem dlzku
        Scanner s = new Scanner(System.in);
        String riadok;

        char[][] a = new char [100][];
        int counter = 0;
        riadok = s.nextLine();
        while (!riadok.equals(".")){

            a[counter] = riadok.toCharArray();
            counter++;
            riadok = s.nextLine();
        }

        char[][] echtpole = new char [counter][];
        System.arraycopy(a, 0, echtpole, 0, counter);

        int n = echtpole.length;
        int m = echtpole[0].length;

        int [][] pocty = new int [n][m];

        pocitaj (echtpole, pocty, 0, 0);


        for (int i=0; i<pocty.length; i++){
            for (int j=0; j<pocty[i].length; j++){
                System.out.print(pocty[i][j]);
            }
            System.out.println();
        }
     }

}