#include<iostream.h>
#include<string>
#include<stdio.h>

//xxxlxr 2579 Wrong Answer     C++ 0.81K 2005-08-27 02:37:54.0

char s[15];
char map[9][9];
int m2[9][9];
int r, c;
char ch;

//xxxlxr 2579 Wrong Answer     G++ 1.04K 2005-08-27 03:08:37.0 

main()
{
    int i, j;
    //while(gets(s))
    while(1)
	{
	    i=0;
	    while((ch=getchar()) && ch!='\n' && ch!=' ') s[i++]=ch;
	    s[i]='\0';
	    
        if(s[0]=='\0') break;
        if(strcmp("ENDOFINPUT", s)==0) break;

		scanf(" %d %d", &r, &c);
		getchar();
        
        //r=s[6]-'0';
        //c=s[8]-'0';
        
        for(i=0; i<r; i++)
        for(j=0; j<c; j++)
        {
            cin>>map[i][j];
        }
        
        for(i=0; i<r-1; i++)
        {
            for(j=0; j<c-1; j++)
            {
               m2[i][j]=((int)(map[i][j]-'0')+(int)(map[i][j+1]-'0')+(int)(map[i+1][j]-'0')+(int)(map[i+1][j+1]-'0'))/4;
               cout<<m2[i][j];
            }
            cout<<endl;
        }
        //getchar();
        gets(s);
        if(s[0]=='\0') break;
        if(strcmp("END", s)==0)  continue;
    }

}